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Female-Threaded Expansion Anchors for Hollow Block and Brick
For narrow holes and small cavities where toggle anchors won't fit. To install, tap the anchor cone first into a drilled hole. Then, insert a screw or threaded rod and tighten. 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. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size  | Lg. | Drill Bit Size | Min. Installation Dp. | Sleeve Material | Pull-Out | Shear | Tested In | Specifications Met | For Use In | Pkg. Qty. | Pkg. | |
Steel | ||||||||||||
| 1/4"-20 | 7/8" | 3/8" | 3/4" | 304 Stainless Steel | 260 | 300 | 4,000 psi Concrete | __ | Concrete, Hollow Block, Hollow Brick | 1 | 000000000 | 00000 |
| 1/4"-20 | 7/8" | 3/8" | 3/4" | Zinc Alloy | 270 | 300 | 4,000 psi Concrete | __ | Concrete, Hollow Block, Hollow Brick | 5 | 000000000 | 00000 |
| 5/16"-18 | 1 5/16" | 5/8" | 1" | Zinc Alloy | 400 | 470 | 4,000 psi Concrete | __ | Concrete, Hollow Block, Hollow Brick | 5 | 000000000 | 00000 |
| 3/8"-16 | 1 5/16" | 5/8" | 1" | 304 Stainless Steel | 450 | 620 | 4,000 psi Concrete | __ | Concrete, Hollow Block, Hollow Brick | 1 | 000000000 | 0000 |
| 3/8"-16 | 1 5/16" | 5/8" | 1" | Zinc Alloy | 500 | 620 | 4,000 psi Concrete | FM Approved, UL Listed | Concrete, Hollow Block, Hollow Brick | 5 | 000000000 | 00000 |
| 1/2"-13 | 1 3/4" | 3/4" | 1 1/2" | Zinc Alloy | 1,000 | 1,000 | 4,000 psi Concrete | FM Approved, UL Listed | Concrete, Hollow Block, Hollow Brick | 1 | 000000000 | 0000 |
| 5/8"-11 | 2" | 1" | 2 1/4" | Zinc Alloy | 2,300 | 1,600 | 4,000 psi Concrete | FM Approved, UL Listed | Concrete, Hollow Block, Hollow Brick | 1 | 000000000 | 0000 |
Female-Threaded Toggle Anchors for Hollow Block and Brick
A pivoting toggle bar creates a strong hold. These anchors provide an internally threaded socket connection for threaded rods and bolts. To install, push through a drilled hole; gravity drops the toggle into position. Anchors are removable and reusable. Made from zinc yellow-chromate plated steel, they resist corrosion in wet environments. Pull-out strength values are 25% of the ultimate values.
For technical drawings and 3-D models, click on a part number.
Thread | Strength, lbs. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Dp. | Lg. | Usable Lg. | Wing Span | Drill Bit Size | Pull-Out | Shear | Tested In | For Use In | Each | |
Zinc Yellow-Chromate Plated Steel | |||||||||||
| 3/8"-16 | 1/2" | 2" | 1 1/2" | 2" | 1/2" | 800 | Not Rated | 1,500 psi Concrete | Concrete, Hollow Block, Hollow Brick | 000000000 | 000000 |
| 1/2"-13 | 11/16" | 2 1/4" | 1 5/8" | 2" | 5/8" | 1,400 | Not Rated | 1,500 psi Concrete | Concrete, Hollow Block, Hollow Brick | 000000000 | 00000 |
Stud-Style Anchors for Hollow Block and Brick
These stud-style anchors include a nut and a washer. To install, push through a drilled hole; gravity drops the toggle into position. Anchors are removable and reusable. Made from zinc yellow-chromate 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. | Usable Lg. | Size | Lg. | Wing Span | Washer OD | Drill Bit Size | Pull-Out | Shear | Tested In | Thread Fit | For Use In | Pkg. Qty. | Pkg. | |
Zinc Yellow-Chromate Plated Steel | ||||||||||||||
1/4" Dia. | ||||||||||||||
| 1 3/4" | 1" | 1/4"-20 | 5/8" | 1" | 0.625" | 5/16" | 170 | 370 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 000000 |
| 2 1/2" | 1 3/4" | 1/4"-20 | 1" | 1" | 0.625" | 5/16" | 170 | 370 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 00000 |
| 3 1/4" | 2 1/2" | 1/4"-20 | 1 7/8" | 1" | 0.625" | 5/16" | 170 | 370 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 00000 |
5/16" Dia. | ||||||||||||||
| 2 1/2" | 1 1/2" | 5/16"-18 | 1 1/8" | 1 1/4" | 0.688" | 5/16" | 220 | 570 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 00000 |
| 3 1/4" | 2 1/4" | 5/16"-18 | 1 3/4" | 1 1/4" | 0.688" | 5/16" | 220 | 570 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 00000 |
| 3 3/4" | 2 3/4" | 5/16"-18 | 1 5/8" | 1 1/4" | 0.688" | 5/16" | 220 | 570 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 00000 |
3/8" Dia. | ||||||||||||||
| 3 1/4" | 2" | 3/8"-16 | 1 7/8" | 1 1/2" | 0.813" | 3/8" | 250 | 750 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 00000 |
| 3 3/4" | 2 1/2" | 3/8"-16 | 1 5/8" | 1 1/2" | 0.813" | 3/8" | 250 | 750 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 00000 |
| 4" | 2 3/4" | 3/8"-16 | 1 7/8" | 1 1/2" | 0.813" | 3/8" | 250 | 750 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 2 | 000000000 | 00000 |
| 4 1/2" | 3 1/8" | 3/8"-16 | 3 1/4" | 1 1/2" | 0.813" | 3/8" | 250 | 750 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 4 | 000000000 | 00000 |
| 6" | 4 1/2" | 3/8"-16 | 3 1/2" | 1 1/2" | 0.813" | 3/8" | 450 | 750 | 1,500 psi Concrete | Class 2A | Concrete, Hollow Block, Hollow Brick | 1 | 000000000 | 0000 |
Adhesive Anchor Screen Tubes for Hollow Block and Brick
Used with adhesive in bricks and hollow blocks, such as cinder blocks, these mesh tubes create a stronger hold for rods and studs than other anchors. To install, first fill tubes with adhesive (sold separately) and press them into a drilled hole. Hold tubes in place by pressing the tab against your block, and insert a rod into them. The rod will push the adhesive out of the mesh screen, forming a plug that keeps the rod in place once the adhesive dries.
For technical drawings and 3-D models, click on a part number.
| Container Size, fl. oz. | Begins to Harden | Reaches Full Strength | No. of 1/2" Dia. Rods Set at 4 1/2" Installation Dp. | Ultimate Pull-Out Strength (in 4,000 psi Concrete) | Mix Ratio | Consistency | Temp. Range, °F | Color | Each | |
| 9.5 | 5 min. @ 70° F | 45 min. | 25 in 9/16" dia. hole | 10,900 lbs.—3/8" threaded rod dia. × 3 1/2" installation dp. 17,100 lbs.—1/2" threaded rod dia. × 4 1/2" installation dp. 26,500 lbs.—5/8" threaded rod dia. × 5 5/8" installation dp. 29,500 lbs.—3/4" threaded rod dia. × 6 3/4" installation dp. 44,500 lbs.—7/8" threaded rod dia. × 7 7/8" installation dp. 48,000 lbs.—1" threaded rod dia. × 9" installation dp. 56,500 lbs.—1 1/4" threaded rod dia. × 11 1/4" installation dp. | 10:1 | Paste | 15° to 110° | Gray | 0000000 | 000000 |