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385 Products

Steel Stud Anchors for Concrete

Also known as wedge anchors, the base expands as you tighten the nut for a secure hold in concrete. They're often used to anchor machinery. Pull-out strength and shear strength values are 25% of the ultimate values.

Zinc-plated and zinc yellow-chromate plated steel anchors are corrosion resistant in wet environments.

Galvanized steel anchors are more corrosion resistant than zinc-plated steel anchors. They must be used with other galvanized fasteners.

ICC listed anchors are often required for new construction. Anchors listed for cracked concrete are often required in environments which may cause concrete to crack during the life of the anchor.

For technical drawings and 3-D models, click on a part number.

							Strength, lbs.						Each		Package
Lg.	Thread Size	Min. Thread Lg.	Washer OD	Nut Wd.	Drill Bit Size	Min. Installation Dp.	Pull-Out	Shear	Tested In	Required Installation Torque, ft.-lbs.	Specifications Met	Certification		Each	Pkg. Qty.		Pkg.
Zinc-Plated Steel
1/4" Dia.
1 3/4"	1/4"-20	3/4"	5/8"	7/16"	1/4"	1 1/4"	471	315	4,000 psi Concrete	4	__	ICC-ES Listed	000000000	00000	100	000000000	000000
2 1/4"	1/4"-20	1 1/4"	5/8"	7/16"	1/4"	1 1/4"	471	315	4,000 psi Concrete	4	__	ICC-ES Listed	000000000	000	100	000000000	00000
3 1/4"	1/4"-20	2 1/4"	5/8"	7/16"	1/4"	1 1/4"	471	315	4,000 psi Concrete	4	__	ICC-ES Listed	000000000	000	100	000000000	00000
3/8" Dia.
2 1/4"	3/8"-16	7/8"	13/16"	9/16"	3/8"	1 3/4"	830	635	4,000 psi Concrete	20	FM Approved	ICC-ES Listed	000000000	0000	50	000000000	00000
2 3/4"	3/8"-16	1 3/8"	13/16"	9/16"	3/8"	1 3/4"	830	635	4,000 psi Concrete	20	FM Approved	ICC-ES Listed	000000000	0000	50	000000000	00000
3"	3/8"-16	1 5/8"	13/16"	9/16"	3/8"	1 3/4"	830	635	4,000 psi Concrete	20	FM Approved	ICC-ES Listed	000000000	0000	50	000000000	00000
3 1/2"	3/8"-16	2 1/8"	13/16"	9/16"	3/8"	1 3/4"	830	635	4,000 psi Concrete	20	FM Approved	ICC-ES Listed	000000000	0000	50	000000000	00000
3 3/4"	3/8"-16	2 3/8"	13/16"	9/16"	3/8"	1 3/4"	830	635	4,000 psi Concrete	20	FM Approved	ICC-ES Listed	000000000	0000	50	000000000	00000
5"	3/8"-16	3 5/8"	13/16"	9/16"	3/8"	1 3/4"	830	635	4,000 psi Concrete	20	FM Approved	ICC-ES Listed	000000000	0000	50	000000000	00000
7"	3/8"-16	4 1/2"	0.812"	0.563"	3/8"	1 3/4"	1,295	835	4,000 psi Concrete	30	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	10	000000000	00000
1/2" Dia.
2 3/4"	1/2"-13	1"	1 1/16"	3/4"	1/2"	2 1/4"	1,200	1,050	4,000 psi Concrete	40	__	ICC-ES Listed	000000000	0000	50	000000000	00000
3 3/4"	1/2"-13	2"	1 1/16"	3/4"	1/2"	2 1/4"	1,200	1,050	4,000 psi Concrete	40	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	50	000000000	00000
4 1/2"	1/2"-13	2 3/4"	1 1/16"	3/4"	1/2"	2 1/4"	1,200	1,050	4,000 psi Concrete	40	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	50	000000000	00000
5 1/2"	1/2"-13	3 3/4"	1 1/16"	3/4"	1/2"	2 1/4"	1,200	1,050	4,000 psi Concrete	40	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	25	000000000	00000
7"	1/2"-13	5 1/4"	1 1/16"	3/4"	1/2"	2 1/4"	1,200	1,050	4,000 psi Concrete	40	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	25	000000000	00000
8 1/2"	1/2"-13	6"	1.062"	3/4"	1/2"	2 3/4"	2,125	2,560	4,000 psi Concrete	60	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	10	000000000	00000
5/8" Dia.
3 1/2"	5/8"-11	1 1/2"	1 5/16"	15/16"	5/8"	2 3/4"	1,570	1,705	4,000 psi Concrete	80	__	ICC-ES Listed	000000000	0000	25	000000000	00000
4 1/2"	5/8"-11	2 1/2"	1 5/16"	15/16"	5/8"	2 3/4"	1,570	1,705	4,000 psi Concrete	80	__	ICC-ES Listed	000000000	0000	25	000000000	00000
5"	5/8"-11	3"	1 5/16"	15/16"	5/8"	2 3/4"	1,570	1,705	4,000 psi Concrete	80	__	ICC-ES Listed	000000000	0000	25	000000000	00000
6"	5/8"-11	4"	1 5/16"	15/16"	5/8"	2 3/4"	1,570	1,705	4,000 psi Concrete	80	__	ICC-ES Listed	000000000	0000	10	000000000	00000
7"	5/8"-11	5"	1 5/16"	15/16"	5/8"	2 3/4"	1,570	1,705	4,000 psi Concrete	80	__	ICC-ES Listed	000000000	0000	10	000000000	00000
8 1/2"	5/8"-11	6 1/2"	1 5/16"	15/16"	5/8"	2 3/4"	1,570	1,705	4,000 psi Concrete	80	__	ICC-ES Listed	000000000	0000	10	000000000	00000
10"	5/8"-11	6"	1.312"	0.938"	5/8"	3 3/8"	3,210	5,125	4,000 psi Concrete	90	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	4	000000000	00000
12"	5/8"-11	2"	1.312"	0.938"	5/8"	2 3/4"	3,210	5,125	4,000 psi Concrete	90	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	4	000000000	00000
3/4" Dia.
4 1/4"	3/4"-10	1 3/4"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,717	3,145	4,000 psi Concrete	110	__	ICC-ES Listed	000000000	0000	20	000000000	00000
4 3/4"	3/4"-10	2 1/4"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,717	3,145	4,000 psi Concrete	110	__	ICC-ES Listed	000000000	0000	20	000000000	00000
5 1/2"	3/4"-10	3"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,717	3,145	4,000 psi Concrete	110	__	ICC-ES Listed	000000000	0000	20	000000000	00000
6 1/4"	3/4"-10	3 3/4"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,717	3,145	4,000 psi Concrete	110	__	ICC-ES Listed	000000000	0000	10	000000000	00000
7"	3/4"-10	4 1/2"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,717	3,145	4,000 psi Concrete	110	__	ICC-ES Listed	000000000	0000	10	000000000	00000
8 1/2"	3/4"-10	6"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,717	3,145	4,000 psi Concrete	110	__	ICC-ES Listed	000000000	0000	10	000000000	00000
10"	3/4"-10	6"	1.469"	1 1/8"	3/4"	4 1/8"	4,180	6,725	4,000 psi Concrete	150	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	4	000000000	00000
12"	3/4"-10	9 1/2"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,717	3,145	4,000 psi Concrete	110	__	ICC-ES Listed	000000000	0000	4	000000000	00000
7/8" Dia.
6"	7/8"-9	2 3/4"	1 3/4"	1 5/16"	7/8"	4"	3,068	2,925	4,000 psi Concrete	175	__	ICC-ES Listed	000000000	0000	10	000000000	00000
8"	7/8"-9	4 3/4"	1 3/4"	1 5/16"	7/8"	4"	3,068	2,925	4,000 psi Concrete	175	__	ICC-ES Listed	000000000	00000	4	000000000	00000
10"	7/8"-9	6 1/2"	1 3/4"	1 5/16"	7/8"	4"	3,068	2,925	4,000 psi Concrete	175	__	ICC-ES Listed	000000000	00000	4	000000000	00000
1" Dia.
6"	1"-8	4 1/2"	2"	1 1/2"	1"	4 1/2"	3,920	5,290	4,000 psi Concrete	225	FM Approved, UL Listed	ICC-ES Listed	000000000	00000	10	000000000	00000
9"	1"-8	5"	2"	1 1/2"	1"	4 1/2"	3,920	5,290	4,000 psi Concrete	225	__	ICC-ES Listed	000000000	00000	10	000000000	000000
12"	1"-8	8 3/4"	2"	1 1/2"	1"	4 1/2"	3,920	5,290	4,000 psi Concrete	225	__	ICC-ES Listed	000000000	00000	4	000000000	00000
1 1/4" Dia.
9"	1 1/4"-7	4 3/4"	2 1/2"	1 7/8"	1 1/4"	5 5/8"	6,007	7,275	4,000 psi Concrete	375	__	ICC-ES Listed	000000000	00000	4	000000000	00000
12"	1 1/4"-7	7 3/4"	2 1/2"	1 7/8"	1 1/4"	5 5/8"	6,007	7,275	4,000 psi Concrete	375	__	ICC-ES Listed	000000000	00000	4	000000000	00000
Zinc Yellow-Chromate Plated Steel—Grade 5
1/4" Dia.
1 3/4"	1/4"-20	7/8"	5/8"	7/16"	1/4"	1 1/4"	253	368	4,000 psi Concrete	10	__	__	000000000	0000	50	000000000	00000
2 1/4"	1/4"-20	1 3/8"	5/8"	7/16"	1/4"	1 1/4"	253	368	4,000 psi Concrete	10	__	__	000000000	0000	50	000000000	00000
3 1/4"	1/4"-20	2 1/4"	5/8"	7/16"	1/4"	1 1/4"	253	368	4,000 psi Concrete	10	__	__	000000000	0000	50	000000000	00000
3/8" Dia.
2 1/4"	3/8"-16	1 3/16"	13/16"	9/16"	3/8"	1 3/4"	591	787	4,000 psi Concrete	30	__	__	000000000	0000	50	000000000	00000
3"	3/8"-16	1 7/8"	13/16"	9/16"	3/8"	1 3/4"	591	787	4,000 psi Concrete	30	__	__	000000000	0000	50	000000000	00000
3 3/4"	3/8"-16	2 5/8"	13/16"	9/16"	3/8"	1 3/4"	591	787	4,000 psi Concrete	30	__	__	000000000	0000	50	000000000	000000
5"	3/8"-16	4"	13/16"	9/16"	3/8"	1 3/4"	591	787	4,000 psi Concrete	30	__	__	000000000	0000	50	000000000	000000
7"	3/8"-16	3"	13/16"	9/16"	3/8"	1 5/8"	591	787	4,000 psi Concrete	20	__	__	000000	00	10	000000000	00000
1/2" Dia.
2 3/4"	1/2"-13	1 1/2"	1 1/16"	3/4"	1/2"	2 1/4"	1,267	1,707	4,000 psi Concrete	50	__	__	000000000	0000	25	000000000	00000
3 3/4"	1/2"-13	2 1/2"	1 1/16"	3/4"	1/2"	2 1/4"	1,267	1,707	4,000 psi Concrete	50	__	__	000000000	0000	25	000000000	00000
4 1/4"	1/2"-13	3"	1 1/16"	3/4"	1/2"	2 1/4"	1,267	1,707	4,000 psi Concrete	50	__	__	000000000	0000	25	000000000	00000
5 1/2"	1/2"-13	4"	1 1/16"	3/4"	1/2"	2 1/4"	1,267	1,707	4,000 psi Concrete	50	__	__	000000000	0000	25	000000000	00000
7"	1/2"-13	1 1/4"	1 1/16"	3/4"	1/2"	2 1/4"	1,267	1,707	4,000 psi Concrete	50	__	__	000000000	0000	25	000000000	000000
8 1/2"	1/2"-13	4"	1 1/16"	3/4"	1/2"	2 1/4"	1,267	1,707	4,000 psi Concrete	50	__	__	000000	00	10	000000000	000000
5/8" Dia.
3 1/2"	5/8"-11	1 5/8"	1 5/16"	15/16"	5/8"	2 3/4"	1,389	2,414	4,000 psi Concrete	75	__	__	000000000	0000	10	000000000	00000
4 1/2"	5/8"-11	2 5/8"	1 5/16"	15/16"	5/8"	2 3/4"	1,389	2,414	4,000 psi Concrete	75	__	__	000000000	0000	10	000000000	00000
5"	5/8"-11	3 1/4"	1 5/16"	15/16"	5/8"	2 3/4"	1,389	2,414	4,000 psi Concrete	75	__	__	000000000	0000	10	000000000	00000
6"	5/8"-11	4 1/8"	1 5/16"	15/16"	5/8"	2 3/4"	1,389	2,414	4,000 psi Concrete	75	__	__	000000000	0000	10	000000000	00000
8 1/2"	5/8"-11	1 1/2"	1 5/16"	15/16"	5/8"	2 3/4"	1,389	2,414	4,000 psi Concrete	75	__	__	000000000	00000	10	000000000	00000
3/4" Dia.
4 1/4"	3/4"-10	2 3/8"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,993	3,781	4,000 psi Concrete	200	__	__	000000000	0000	10	000000000	00000
5 1/2"	3/4"-10	3 5/8"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,993	3,781	4,000 psi Concrete	200	__	__	000000000	00000	10	000000000	00000
6 1/4"	3/4"-10	4 1/4"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,993	3,781	4,000 psi Concrete	200	__	__	000000000	00000	10	000000000	00000
7"	3/4"-10	2"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,993	3,781	4,000 psi Concrete	200	__	__	000000000	00000	10	000000000	000000
8 1/2"	3/4"-10	2"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,993	3,781	4,000 psi Concrete	200	__	__	000000000	00000	10	000000000	000000
10"	3/4"-10	2"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,993	3,781	4,000 psi Concrete	200	__	__	000000000	00000	10	000000000	000000
7/8" Dia.
6"	7/8"-9	2 1/4"	1 3/4"	1 5/16"	7/8"	4"	3,475	5,393	4,000 psi Concrete	225	__	__	000000000	00000	10	000000000	000000
8"	7/8"-9	2 1/4"	1 3/4"	1 5/16"	7/8"	4"	3,475	5,393	4,000 psi Concrete	225	__	__	000000000	00000	4	000000000	00000
10"	7/8"-9	2 1/4"	1 3/4"	1 5/16"	7/8"	4"	3,475	5,393	4,000 psi Concrete	225	__	__	000000000	00000	4	000000000	00000
1" Dia.
6"	1"-8	2 1/4"	2"	1 1/2"	1"	4 1/2"	3,957	7,005	4,000 psi Concrete	250	__	__	000000000	00000	4	000000000	00000
9"	1"-8	2 1/4"	2"	1 1/2"	1"	4 1/2"	3,957	7,005	4,000 psi Concrete	250	__	__	000000000	00000	4	000000000	00000
Galvanized Steel
1/4" Dia.
1 3/4"	1/4"-20	5/8"	5/8"	7/16"	1/4"	1 1/4"	420	630	4,000 psi Concrete	8	__	__	000000000	000	100	000000000	00000
2 1/4"	1/4"-20	1 1/8"	5/8"	7/16"	1/4"	1 1/4"	420	630	4,000 psi Concrete	8	__	__	000000000	000	100	000000000	00000
3 1/4"	1/4"-20	2 1/8"	5/8"	7/16"	1/4"	1 1/4"	420	630	4,000 psi Concrete	8	__	__	000000000	000	100	000000000	00000
3/8" Dia.
2 1/4"	3/8"-16	7/8"	13/16"	9/16"	3/8"	1 3/4"	970	980	4,000 psi Concrete	25	__	__	000000000	0000	50	000000000	00000
2 3/4"	3/8"-16	1 3/8"	13/16"	9/16"	3/8"	1 3/4"	970	980	4,000 psi Concrete	25	__	__	000000000	0000	50	000000000	00000
3"	3/8"-16	1 5/8"	13/16"	9/16"	3/8"	1 3/4"	970	980	4,000 psi Concrete	25	__	__	000000000	0000	50	000000000	00000
3 3/4"	3/8"-16	2 3/8"	13/16"	9/16"	3/8"	1 3/4"	970	980	4,000 psi Concrete	25	__	__	000000000	0000	50	000000000	00000
5"	3/8"-16	3 1/8"	13/16"	9/16"	3/8"	1 3/4"	970	980	4,000 psi Concrete	25	__	__	000000000	0000	50	000000000	00000
7"	3/8"-16	4 1/2"	13/16"	9/16"	3/8"	1 3/4"	970	980	4,000 psi Concrete	25	__	__	000000000	0000	10	000000000	00000
1/2" Dia.
2 3/4"	1/2"-13	1"	1 1/16"	3/4"	1/2"	2 1/4"	1,580	1,730	4,000 psi Concrete	55	__	__	000000000	0000	25	000000000	00000
3 3/4"	1/2"-13	2"	1 1/16"	3/4"	1/2"	2 1/4"	1,580	1,730	4,000 psi Concrete	55	__	__	000000000	0000	25	000000000	00000
4 1/4"	1/2"-13	3"	1 1/16"	3/4"	1/2"	2 1/4"	1,267	1,707	4,000 psi Concrete	50	__	__	000000000	0000	25	000000000	00000
5 1/2"	1/2"-13	3 5/8"	1 1/16"	3/4"	1/2"	2 1/4"	1,580	1,730	4,000 psi Concrete	55	__	__	000000000	0000	25	000000000	00000
7"	1/2"-13	4 3/8"	1 1/16"	3/4"	1/2"	2 1/4"	1,580	1,730	4,000 psi Concrete	55	__	__	000000000	0000	25	000000000	00000
8 1/2"	1/2"-13	2"	1 1/16"	3/4"	1/2"	2 1/4"	1,580	1,730	4,000 psi Concrete	55	__	__	000000000	0000	10	000000000	00000
5/8" Dia.
3 1/2"	5/8"-11	1 3/8"	1 3/4"	15/16"	5/8"	2 3/4"	2,440	2,990	4,000 psi Concrete	95	__	__	000000000	0000	10	000000000	00000
4 1/2"	5/8"-11	2"	1 3/4"	15/16"	5/8"	2 3/4"	2,440	2,990	4,000 psi Concrete	95	__	__	000000000	0000	10	000000000	00000
5"	5/8"-11	3"	1 3/4"	15/16"	5/8"	2 3/4"	2,440	2,990	4,000 psi Concrete	95	__	__	000000000	0000	10	000000000	00000
6"	5/8"-11	3 7/8"	1 3/4"	15/16"	5/8"	2 3/4"	2,440	2,990	4,000 psi Concrete	95	__	__	000000000	0000	10	000000000	00000
7"	5/8"-11	3 1/2"	1 3/4"	15/16"	5/8"	2 3/4"	2,440	2,990	4,000 psi Concrete	95	__	__	000000000	0000	10	000000000	00000
8 1/2"	5/8"-11	4 7/8"	1 3/4"	15/16"	5/8"	2 3/4"	2,440	2,990	4,000 psi Concrete	95	__	__	000000000	0000	10	000000000	00000
10"	5/8"-11	2"	1 3/4"	15/16"	5/8"	2 3/4"	2,440	2,990	4,000 psi Concrete	95	__	__	000000000	00000	10	000000000	00000
3/4" Dia.
4 1/4"	3/4"-10	1 3/4"	2"	1 1/8"	3/4"	3 3/4"	3,290	3,970	4,000 psi Concrete	175	__	__	000000000	0000	10	000000000	00000
4 3/4"	3/4"-10	2 1/4"	2"	1 1/8"	3/4"	3 3/4"	3,290	3,970	4,000 psi Concrete	175	__	__	000000000	0000	10	000000000	00000
5 1/2"	3/4"-10	3"	2"	1 1/8"	3/4"	3 3/4"	3,290	3,970	4,000 psi Concrete	175	__	__	000000000	0000	10	000000000	00000
6 1/4"	3/4"-10	3 5/8"	2"	1 1/8"	3/4"	3 3/4"	3,290	3,970	4,000 psi Concrete	175	__	__	000000000	0000	10	000000000	00000
7"	3/4"-10	4 3/8"	2"	1 1/8"	3/4"	3 3/4"	3,290	3,970	4,000 psi Concrete	175	__	__	000000000	00000	10	000000000	00000
8 1/2"	3/4"-10	2 1/4"	2"	1 1/8"	3/4"	3 3/4"	3,290	3,970	4,000 psi Concrete	175	__	__	000000000	00000	4	000000000	00000
10"	3/4"-10	2 1/4"	2"	1 1/8"	3/4"	3 3/4"	3,290	3,970	4,000 psi Concrete	175	__	__	000000000	00000	4	000000000	00000
12"	3/4"-10	2 1/4"	2"	1 1/8"	3/4"	3 3/4"	3,290	3,970	4,000 psi Concrete	175	__	__	000000000	00000	4	000000000	00000
7/8" Dia.
6"	7/8"-9	2 1/8"	2 1/4"	1 5/16"	7/8"	4"	4,150	8,130	4,000 psi Concrete	250	__	__	000000000	00000	4	000000000	00000
8"	7/8"-9	2 1/8"	2 1/4"	1 5/16"	7/8"	4"	4,150	8,130	4,000 psi Concrete	250	__	__	000000000	00000	4	000000000	00000
10"	7/8"-9	2 1/8"	2 1/4"	1 5/16"	7/8"	4"	4,150	8,130	4,000 psi Concrete	250	__	__	000000000	00000	4	000000000	00000
1" Dia.
6"	1"-8	2 1/4"	2 1/2"	1 1/2"	1"	4"	5,100	8,123	4,000 psi Concrete	300	__	__	000000000	00000	4	000000000	00000
9"	1"-8	2 1/4"	2 1/2"	1 1/2"	1"	4"	5,100	8,123	4,000 psi Concrete	300	__	__	000000000	00000	4	000000000	00000
12"	1"-8	2 1/4"	2 1/2"	1 1/2"	1"	4"	5,100	8,123	4,000 psi Concrete	300	__	__	000000000	00000	4	000000000	00000
1 1/4" Dia.
9"	1 1/4"-7	2 3/4"	3"	1 7/8"	1 1/4"	5 5/8"	7,190	11,750	4,000 psi Concrete	400	__	__	000000000	00000	4	000000000	000000
12"	1 1/4"-7	2 3/4"	3"	1 7/8"	1 1/4"	5 5/8"	7,190	11,750	4,000 psi Concrete	400	__	__	000000000	00000	4	000000000	000000

18-8 Stainless Steel Stud Anchors for Concrete

These 18-8 stainless steel anchors have good chemical resistance and may be mildly magnetic. Also known as wedge anchors, the base expands as you tighten the nut for a secure hold in concrete. They're often used to anchor machinery. Pull-out strength and shear strength values are 25% of the ultimate values.

ICC listed anchors are often required for new construction. Anchors listed for cracked concrete are often required in environments which may cause concrete to crack during the life of the anchor.

For technical drawings and 3-D models, click on a part number.

							Strength, lbs.						Each		Package
Lg.	Thread Size	Min. Thread Lg.	Washer OD	Nut Wd.	Drill Bit Size	Min. Installation Dp.	Pull-Out	Shear	Tested In	Required Installation Torque, ft.-lbs.	Specifications Met	Certification		Each	Pkg. Qty.		Pkg.
18-8 Stainless Steel
1/4" Dia.
1 3/4"	1/4"-20	5/8"	5/8"	7/16"	1/4"	1 1/4"	210	250	4,000 psi Concrete	8	__	__	000000000	00000	20	000000000	000000
2 1/4"	1/4"-20	1 1/8"	5/8"	7/16"	1/4"	1 1/4"	210	250	4,000 psi Concrete	8	__	__	000000000	0000	20	000000000	00000
3 1/4"	1/4"-20	2 1/8"	5/8"	7/16"	1/4"	1 1/4"	210	250	4,000 psi Concrete	8	__	__	000000000	0000	20	000000000	00000
3/8" Dia.
2 1/4"	3/8"-16	1 1/8"	0.812"	9/16"	3/8"	1 7/8"	1,100	1,300	4,000 psi Concrete	30	FM Approved, UL Listed	__	000000000	0000	20	000000000	00000
2 3/4"	3/8"-16	1 3/8"	0.812"	9/16"	3/8"	1 7/8"	1,180	1,395	4,000 psi Concrete	30	FM Approved, UL Listed	__	000000000	0000	20	000000000	00000
3"	3/8"-16	1 5/8"	0.812"	9/16"	3/8"	1 7/8"	1,180	1,395	4,000 psi Concrete	30	FM Approved, UL Listed	ICC-ES Listed	000000000	0000	20	000000000	00000
3 1/2"	3/8"-16	2.09"	0.812"	9/16"	3/8"	1 7/8"	1,180	1,395	4,000 psi Concrete	30	FM Approved, UL Listed	__	000000000	0000	20	000000000	00000
3 3/4"	3/8"-16	2 3/8"	0.812"	9/16"	3/8"	1 7/8"	1,180	1,395	4,000 psi Concrete	30	FM Approved, UL Listed	__	000000000	0000	20	000000000	00000
5"	3/8"-16	3 1/2"	0.812"	9/16"	3/8"	1 7/8"	1,180	1,390	4,000 psi Concrete	30	FM Approved, UL Listed	__	000000000	0000	10	000000000	00000
7"	3/8"-16	5 5/8"	0.812"	9/16"	3/8"	1 7/8"	1,100	1,300	4,000 psi Concrete	30	FM Approved, UL Listed	__	000000000	0000	10	000000000	00000
1/2" Dia.
2 3/4"	1/2"-13	1 1/4"	1.062"	3/4"	1/2"	2 1/4"	1,895	2,560	4,000 psi Concrete	65	__	__	000000000	0000	10	000000000	00000
3 3/4"	1/2"-13	2"	1.062"	3/4"	1/2"	2 3/4"	1,800	2,500	4,000 psi Concrete	65	FM Approved, UL Listed	__	000000000	0000	10	000000000	00000
4 1/2"	1/2"-13	3 1/8"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	1,200	4,000 psi Concrete	60	FM Approved, UL Listed	__	000000000	0000	10	000000000	00000
5 1/2"	1/2"-13	3 3/4"	1.062"	3/4"	1/2"	2 3/4"	1,895	2,560	4,000 psi Concrete	65	FM Approved, UL Listed	__	000000000	0000	10	000000000	00000
7"	1/2"-13	5 1/4"	1.062"	3/4"	1/2"	2 3/4"	1,890	2,560	4,000 psi Concrete	60	FM Approved, UL Listed	__	000000000	0000	4	000000000	00000
8 1/2"	1/2"-13	6"	1.062"	3/4"	1/2"	2 3/4"	1,895	2,560	4,000 psi Concrete	65	FM Approved, UL Listed	__	000000000	00000	4	000000000	00000
5/8" Dia.
3 1/2"	5/8"-11	1 3/8"	1 5/16"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	__	__	000000000	00000	10	000000000	00000
4 1/2"	5/8"-11	2"	1 5/16"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	__	__	000000000	00000	10	000000000	00000
5"	5/8"-11	3 1/2"	1 3/4"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	FM Approved, UL Listed	__	000000000	00000	10	000000000	000000
6"	5/8"-11	4 1/2"	1 3/4"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	FM Approved, UL Listed	__	000000000	00000	10	000000000	000000
7"	5/8"-11	3 1/2"	1 5/16"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	__	__	000000000	00000	4	000000000	00000
8 1/2"	5/8"-11	7"	1 3/4"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	FM Approved, UL Listed	__	000000000	00000	4	000000000	00000
10"	5/8"-11	2"	1 5/16"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	__	__	000000000	00000	4	000000000	000000
12"	5/8"-11	2"	1 5/16"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	__	__	000000000	00000	4	000000000	000000
3/4" Dia.
4 3/4"	3/4"-10	2.53"	1 15/32"	1 1/8"	3/4"	4 1/8"	4,330	6,985	4,000 psi Concrete	150	FM Approved	__	000000000	00000	4	000000000	00000
5 1/2"	3/4"-10	3.09"	1 15/32"	1 1/8"	3/4"	4 1/8"	4,330	6,985	4,000 psi Concrete	150	FM Approved, UL Listed	__	000000000	00000	4	000000000	00000
6 1/4"	3/4"-10	3 3/4"	1.469"	1 1/8"	3/4"	4 1/8"	4,330	6,985	4,000 psi Concrete	150	FM Approved, UL Listed	__	000000000	00000	4	000000000	00000
7"	3/4"-10	4.59"	1 15/32"	1 1/8"	3/4"	4 1/8"	4,330	6,985	4,000 psi Concrete	150	FM Approved, UL Listed	__	000000000	00000	4	000000000	00000
8 1/2"	3/4"-10	6"	1 15/32"	1 1/8"	3/4"	4 1/8"	4,330	6,985	4,000 psi Concrete	150	FM Approved, UL Listed	__	000000000	00000	4	000000000	00000
12"	3/4"-10	2 1/4"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	150	__	__	000000000	00000	4	000000000	000000
7/8" Dia.
8"	7/8"-9	4 3/4"	2 1/4"	1 5/16"	7/8"	4"	2,400	3,900	4,000 psi Concrete	250	FM Approved, UL Listed	__	000000000	00000	4	000000000	000000
1" Dia.
6"	1"-8	2 3/8"	2 1/2"	1 1/2"	1"	4 1/2"	3,400	5,200	4,000 psi Concrete	300	FM Approved, UL Listed	__	000000000	00000	4	000000000	000000
9"	1"-8	5 3/8"	2 1/2"	1 1/2"	1"	4 1/2"	3,400	5,200	4,000 psi Concrete	300	FM Approved, UL Listed	__	000000000	00000	4	000000000	000000
12"	1"-8	8 3/8"	2 1/2"	1 1/2"	1"	4 1/2"	3,400	5,200	4,000 psi Concrete	300	FM Approved, UL Listed	__	000000000	00000	4	000000000	000000

Super-Corrosion-Resistant 316 Stainless Steel Stud Anchors for Concrete

More corrosion resistant than 18-8 stainless steel anchors, these 316 stainless steel anchors have excellent resistance to chemicals and salt water and may be mildly magnetic. Also known as wedge anchors, the base expands as you tighten the nut for a secure hold in concrete. They're often used to anchor machinery. Pull-out strength and shear strength values are 25% of the ultimate values.

For technical drawings and 3-D models, click on a part number.

							Strength, lbs.					Each		Package
Lg.	Thread Size	Min. Thread Lg.	Washer OD	Nut Wd.	Drill Bit Size	Min. Installation Dp.	Pull-Out	Shear	Tested In	Required Installation Torque, ft.-lbs.	Specifications Met		Each	Pkg. Qty.		Pkg.
316 Stainless Steel
1/4" Dia.
1 3/4"	1/4"-20	3/4"	5/8"	7/16"	1/4"	1 1/4"	210	250	4,000 psi Concrete	8	__	000000000	00000	20	000000000	000000
2 1/4"	1/4"-20	1 1/4"	5/8"	7/16"	1/4"	1 1/4"	210	250	4,000 psi Concrete	8	__	000000000	0000	20	000000000	00000
3 1/4"	1/4"-20	2 1/8"	5/8"	7/16"	1/4"	1 1/4"	210	250	4,000 psi Concrete	10	__	000000000	0000	20	000000000	00000
3/8" Dia.
2 1/4"	3/8"-16	7/8"	13/16"	9/16"	3/8"	1 3/4"	570	550	4,000 psi Concrete	30	FM Approved, UL Listed	000000000	0000	20	000000000	00000
2 3/4"	3/8"-16	1 3/8"	13/16"	9/16"	3/8"	1 3/4"	570	550	4,000 psi Concrete	30	FM Approved, UL Listed	000000000	0000	20	000000000	00000
3"	3/8"-16	1 5/8"	13/16"	9/16"	3/8"	1 3/4"	570	550	4,000 psi Concrete	30	FM Approved, UL Listed	000000000	0000	20	000000000	00000
3 1/2"	3/8"-16	2 1/8"	13/16"	9/16"	3/8"	1 3/4"	570	550	4,000 psi Concrete	30	FM Approved, UL Listed	000000000	0000	20	000000000	00000
3 3/4"	3/8"-16	2 3/8"	13/16"	9/16"	3/8"	1 3/4"	570	550	4,000 psi Concrete	30	FM Approved, UL Listed	000000000	0000	20	000000000	000000
5"	3/8"-16	3 1/8"	13/16"	9/16"	3/8"	1 3/4"	570	550	4,000 psi Concrete	30	FM Approved, UL Listed	000000000	0000	10	000000000	00000
7"	3/8"-16	4 1/2"	13/16"	9/16"	3/8"	1 3/4"	570	550	4,000 psi Concrete	30	FM Approved, UL Listed	000000000	00000	10	000000000	00000
1/2" Dia.
2 3/4"	1/2"-13	1"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	1,200	4,000 psi Concrete	50	FM Approved, UL Listed	000000000	00000	10	000000000	00000
3 3/4"	1/2"-13	2"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	1,200	4,000 psi Concrete	50	FM Approved, UL Listed	000000000	00000	10	000000000	000000
4 1/2"	1/2"-13	3 1/8"	1 1/4"	3/4"	1/2"	2 1/4"	1,100	1,200	4,000 psi Concrete	60	FM Approved, UL Listed	000000000	00000	10	000000000	000000
5 1/2"	1/2"-13	3 5/8"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	1,200	4,000 psi Concrete	50	FM Approved, UL Listed	000000000	00000	10	000000000	000000
7"	1/2"-13	4 3/8"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	1,200	4,000 psi Concrete	50	FM Approved, UL Listed	000000000	00000	4	000000000	00000
8 1/2"	1/2"-13	2"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	1,200	4,000 psi Concrete	50	FM Approved, UL Listed	000000000	00000	4	000000000	000000
5/8" Dia.
3 1/2"	5/8"-11	2"	1 1/2"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	FM Approved, UL Listed	000000000	00000	10	000000000	000000
4 1/2"	5/8"-11	2"	1 5/16"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	75	FM Approved, UL Listed	000000000	00000	10	000000000	000000
5"	5/8"-11	3"	1 5/16"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	75	FM Approved, UL Listed	000000000	00000	10	000000000	000000
6"	5/8"-11	4 1/2"	1 1/2"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	FM Approved, UL Listed	000000000	00000	10	000000000	000000
7"	5/8"-11	5 1/2"	1 1/2"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	FM Approved, UL Listed	000000000	00000	4	000000000	00000
8 1/2"	5/8"-11	7"	1 1/2"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	90	FM Approved, UL Listed	000000000	00000	4	000000000	000000
10"	5/8"-11	2"	1 5/16"	15/16"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	75	FM Approved, UL Listed	000000000	00000	4	000000000	000000
12"	5/8"-11	2"	1 5/16"	0.938"	5/8"	2 3/4"	1,300	2,000	4,000 psi Concrete	75	FM Approved, UL Listed	000000000	00000	4	000000000	000000
3/4" Dia.
4 1/4"	3/4"-10	1 3/4"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	200	FM Approved, UL Listed	000000000	00000	4	000000000	000000
4 3/4"	3/4"-10	2 7/8"	1 3/4"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	175	FM Approved, UL Listed	000000000	00000	4	000000000	00000
5 1/2"	3/4"-10	3 5/8"	1 3/4"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	175	FM Approved, UL Listed	000000000	00000	4	000000000	00000
6 1/4"	3/4"-10	4 3/8"	1 3/4"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	175	FM Approved, UL Listed	000000000	00000	4	000000000	000000
7"	3/4"-10	5 1/2"	1 3/4"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	175	FM Approved, UL Listed	000000000	00000	4	000000000	000000
8 1/2"	3/4"-10	6 5/8"	1 3/4"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	175	FM Approved, UL Listed	000000000	00000	4	000000000	000000
10"	3/4"-10	2 1/4"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	200	FM Approved, UL Listed	000000000	00000	4	000000000	000000
12"	3/4"-10	2 1/4"	1 15/32"	1 1/8"	3/4"	3 3/4"	2,200	2,800	4,000 psi Concrete	200	FM Approved, UL Listed	000000000	00000	4	000000000	000000
7/8" Dia.
6"	7/8"-9	2 1/8"	1 3/4"	1 5/16"	7/8"	4"	2,400	3,900	4,000 psi Concrete	225	FM Approved, UL Listed	000000000	00000	4	000000000	000000
8"	7/8"-9	2 1/8"	1 3/4"	1 5/16"	7/8"	4"	2,400	3,900	4,000 psi Concrete	225	FM Approved, UL Listed	000000000	00000	4	000000000	000000
10"	7/8"-9	2 1/8"	1 3/4"	1 5/16"	7/8"	4"	2,400	3,900	4,000 psi Concrete	225	FM Approved, UL Listed	000000000	000000	4	000000000	000000
1" Dia.
6"	1"-8	2 1/4"	2"	1 1/2"	1"	4 1/2"	3,400	5,200	4,000 psi Concrete	250	FM Approved, UL Listed	000000000	000000	4	000000000	000000
9"	1"-8	2 1/4"	2"	1 1/2"	1"	4 1/2"	3,400	5,200	4,000 psi Concrete	250	FM Approved, UL Listed	000000000	000000	4	000000000	000000
12"	1"-8	2 1/4"	2"	1 1/2"	1"	4 1/2"	3,400	5,200	4,000 psi Concrete	250	FM Approved, UL Listed	000000000	000000	4	000000000	000000

Vibration-Resistant Stud Anchors for Concrete

Keep fixtures solidly in place—these anchors have two locking wedges that won't shake loose. Also known as wedge anchors, the base expands as you tighten the nut for a secure hold in concrete. They're often used to anchor machinery. Made from zinc-plated steel, they resist corrosion in wet environments. Pull-out strength and shear strength values are 25% of the ultimate values.

For technical drawings and 3-D models, click on a part number.

	Thread						Strength, lbs.
Lg.	Size	Lg.	Washer OD	Nut Wd.	Drill Bit Size	Min. Installation Dp.	Pull-Out	Shear	Tested In	Required Installation Torque, ft.-lbs.	Pkg. Qty.		Pkg.
Zinc-Plated Steel
1/4" Dia.
1 3/4"	1/4"-20	1/2"	5/8"	7/16"	1/4"	1 1/8"	370	500	4,000 psi Concrete	8	6	000000000	000000
2 3/4"	1/4"-20	1/2"	5/8"	7/16"	1/4"	1 1/8"	370	500	4,000 psi Concrete	8	6	000000000	00000
3"	1/4"-20	1/2"	5/8"	7/16"	1/4"	1 1/8"	370	500	4,000 psi Concrete	8	6	000000000	00000
5/16" Dia.
2"	5/16"-18	5/8"	11/16"	1/2"	5/16"	1 1/4"	600	520	4,000 psi Concrete	15	6	000000000	00000
3"	5/16"-18	5/8"	11/16"	1/2"	5/16"	1 1/4"	600	520	4,000 psi Concrete	15	4	000000000	00000
3/8" Dia.
2"	3/8"-16	3/4"	13/16"	9/16"	3/8"	1 1/2"	820	1,100	4,000 psi Concrete	25	4	000000000	00000
2 3/4"	3/8"-16	3/4"	13/16"	9/16"	3/8"	1 1/2"	820	1,100	4,000 psi Concrete	25	4	000000000	00000
3 1/2"	3/8"-16	3/4"	13/16"	9/16"	3/8"	1 1/2"	820	1,100	4,000 psi Concrete	25	4	000000000	00000
5"	3/8"-16	3/4"	13/16"	9/16"	3/8"	1 1/2"	820	1,100	4,000 psi Concrete	25	2	000000000	0000
6"	3/8"-16	3/4"	13/16"	9/16"	3/8"	1 1/2"	820	1,100	4,000 psi Concrete	25	2	000000000	0000
1/2" Dia.
2 3/4"	1/2"-13	1"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	2,200	4,000 psi Concrete	55	4	000000000	00000
3 1/2"	1/2"-13	1"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	2,200	4,000 psi Concrete	55	2	000000000	0000
5"	1/2"-13	1"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	2,200	4,000 psi Concrete	55	1	000000000	0000
6"	1/2"-13	1"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	2,200	4,000 psi Concrete	55	1	000000000	0000
7"	1/2"-13	1"	1 1/16"	3/4"	1/2"	2 1/4"	1,100	2,200	4,000 psi Concrete	55	1	000000000	0000
5/8" Dia.
3 1/2"	5/8"-11	1 1/4"	1 5/16"	15/16"	5/8"	3"	2,500	3,200	4,000 psi Concrete	95	1	000000000	0000
4 1/2"	5/8"-11	1 1/4"	1 5/16"	15/16"	5/8"	3 1/2"	2,500	3,200	4,000 psi Concrete	95	1	000000000	0000
5"	5/8"-11	1 1/4"	1 5/16"	15/16"	5/8"	3 1/2"	2,500	3,200	4,000 psi Concrete	95	1	000000000	0000
6"	5/8"-11	1 1/4"	1 5/16"	15/16"	5/8"	3 1/2"	2,500	3,200	4,000 psi Concrete	95	1	000000000	0000
7"	5/8"-11	1 1/4"	1 5/16"	15/16"	5/8"	3 1/2"	2,500	3,200	4,000 psi Concrete	95	1	000000000	0000
3/4" Dia.
4"	3/4"-10	1 1/2"	1 1/2"	1 1/8"	3/4"	3"	3,800	4,500	4,000 psi Concrete	170	1	000000000	0000
5"	3/4"-10	1 1/2"	1 1/2"	1 1/8"	3/4"	3"	3,800	4,500	4,000 psi Concrete	170	1	000000000	00000
6"	3/4"-10	1 1/2"	1 1/2"	1 1/8"	3/4"	3"	3,800	4,500	4,000 psi Concrete	170	1	000000000	00000
7"	3/4"-10	1 1/2"	1 1/2"	1 1/8"	3/4"	3"	3,800	4,500	4,000 psi Concrete	170	1	000000000	00000
8 1/2"	3/4"-10	1 1/2"	1 1/2"	1 1/8"	3/4"	3"	3,800	4,500	4,000 psi Concrete	170	1	000000000	00000
10"	3/4"-10	1 1/2"	1 1/2"	1 1/8"	3/4"	3"	3,800	4,500	4,000 psi Concrete	170	1	000000000	00000
1" Dia.
10"	1"-8	2"	2"	1 1/2"	1"	5 1/2"	5,300	Not Rated	4,000 psi Concrete	300	1	000000000	00000