Brass Tapping Inserts for Hardwood
Made from brass, these inserts are nonmagnetic, mildly corrosion resistant, and electrically conductive. Also known as knife-thread inserts, they have sharp threads that cut into hardwood for a secure hold. Install using an installation bit and drill.
For technical drawings and 3-D models, click on a part number.
Inserts | Installation Bits | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Drive Style | Pkg. Qty. | Pkg. | Each | ||
Brass | |||||||||
| 4-40 | 3/8" | 17/64" | 0.266" | Slotted | 25 | 000000000 | 000000 | 000000000 | 00000 |
| 6-32 | 3/8" | 17/64" | 0.266" | Slotted | 25 | 000000000 | 00000 | 000000000 | 0000 |
| 8-32 | 3/8" | 17/64" | 0.266" | Slotted | 25 | 000000000 | 00000 | 000000000 | 0000 |
| 10-24 | 1/2" | 25/64" | 0.391" | Slotted | 25 | 000000000 | 00000 | 000000000 | 0000 |
| 10-32 | 1/2" | 25/64" | 0.391" | Slotted | 25 | 000000000 | 00000 | 000000000 | 0000 |
| 1/4"-20 | 1/2" | 25/64" | 0.391" | Slotted | 25 | 000000000 | 00000 | 000000000 | 0000 |
| 1/4"-20 | 3/4" | 25/64" | 0.391" | Slotted | 10 | 000000000 | 0000 | 000000000 | 0000 |
| 1/4"-28 | 1/2" | 25/64" | 0.391" | Slotted | 25 | 000000000 | 00000 | 000000000 | 0000 |
| 5/16"-18 | 5/8" | 33/64" | 0.516" | Slotted | 10 | 000000000 | 0000 | 000000000 | 0000 |
| 5/16"-18 | 1" | 33/64" | 0.516" | Slotted | 5 | 000000000 | 0000 | 000000000 | 0000 |
| 5/16"-24 | 5/8" | 33/64" | 0.516" | Slotted | 10 | 000000000 | 0000 | 000000000 | 0000 |
| 3/8"-16 | 5/8" | 33/64" | 0.516" | Slotted | 10 | 000000000 | 00000 | 000000000 | 0000 |
| 3/8"-16 | 1" | 33/64" | 0.516" | Slotted | 5 | 000000000 | 0000 | 000000000 | 0000 |
| 3/8"-24 | 5/8" | 33/64" | 0.516" | Slotted | 10 | 000000000 | 00000 | 000000000 | 0000 |
Inserts | Installation Bits | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Pitch, mm | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | Drive Style | Pkg. Qty. | Pkg. | Each | ||
Brass | ||||||||||
| M3 | 0.5 | 9.53 | 17/64" | 0.266" | Slotted | 10 | 000000000 | 00000 | 000000000 | 00000 |
| M4 | 0.7 | 9.53 | 17/64" | 0.266" | Slotted | 10 | 000000000 | 0000 | 000000000 | 0000 |
| M5 | 0.8 | 12.7 | 25/64" | 0.391" | Slotted | 10 | 000000000 | 0000 | 000000000 | 0000 |
| M6 | 1 | 12.7 | 25/64" | 0.391" | Slotted | 10 | 000000000 | 0000 | 000000000 | 0000 |
| M8 | 1.25 | 15.88 | 33/64" | 0.516" | Slotted | 10 | 000000000 | 00000 | 000000000 | 0000 |
| M10 | 1.5 | 15.88 | 33/64" | 0.516" | Slotted | 10 | 000000000 | 00000 | 000000000 | 0000 |
Stainless Steel Tapping Inserts for Hardwood
These 18-8 stainless steel inserts have good corrosion resistance and may be mildly magnetic. Also known as knife-thread inserts, they have sharp threads that cut into hardwood for a secure hold. Install using an installation bit and drill.
For technical drawings and 3-D models, click on a part number.
Inserts | Installation Bits | |||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Pkg. Qty. | Pkg. | Each | ||
18-8 Stainless Steel | ||||||||
| 4-40 | 3/8" | 17/64" | 17/64" | 1 | 000000000 | 00000 | 000000000 | 00000 |
| 6-32 | 3/8" | 17/64" | 17/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 8-32 | 3/8" | 17/64" | 17/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 10-24 | 1/2" | 25/64" | 25/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 10-32 | 1/2" | 25/64" | 25/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 1/4"-20 | 1/2" | 25/64" | 25/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 1/4"-28 | 1/2" | 25/64" | 25/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 5/16"-18 | 5/8" | 33/64" | 33/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 5/16"-24 | 5/8" | 33/64" | 33/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 3/8"-16 | 5/8" | 33/64" | 33/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| 3/8"-24 | 5/8" | 33/64" | 33/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
Inserts | Installation Bits | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Pitch, mm | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | Pkg. Qty. | Pkg. | Each | ||
18-8 Stainless Steel | |||||||||
| M3 | 0.5 | 9.52 | 17/64" | 17/64" | 1 | 000000000 | 00000 | 000000000 | 00000 |
| M4 | 0.7 | 9.52 | 17/64" | 17/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| M5 | 0.8 | 12.7 | 25/64" | 25/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| M6 | 1 | 12.7 | 25/64" | 25/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| M8 | 1.25 | 15.9 | 33/64" | 33/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
| M10 | 1.5 | 15.9 | 33/64" | 33/64" | 1 | 000000000 | 0000 | 000000000 | 0000 |
Steel Tapping Inserts for Hardwood
Steel inserts have high strength for durability. Also known as knife-thread inserts, they have sharp threads that cut into hardwood for a secure hold. Install using a hex driver or an installation bit and drill for faster installation.
Zinc-plated steel inserts are mildly corrosion resistant.
For technical drawings and 3-D models, click on a part number.
Inserts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drive | Installation Bits | |||||||||
| Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Style | Size | Pkg. Qty. | Pkg. | Each | ||
Zinc-Plated Steel | ||||||||||
| 8-32 | 0.394" | 17/64" | 1/4" | Hex | 4 mm | 25 | 000000000 | 000000 | 000000000 | 000000 |
| 10-24 | 0.472" | 5/16" | 19/64" | Hex | 5 mm | 25 | 000000000 | 00000 | 000000000 | 00000 |
| 1/4"-20 | 0.394" | 3/8" | 3/8" | Hex | 6 mm | 25 | 000000000 | 00000 | 000000000 | 00000 |
| 1/4"-20 | 0.472" | 3/8" | 3/8" | Hex | 6 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 1/4"-20 | 0.591" | 3/8" | 3/8" | Hex | 6 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 1/4"-20 | 0.709" | 3/8" | 3/8" | Hex | 6 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 1/4"-20 | 0.787" | 3/8" | 3/8" | Hex | 6 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 1/4"-20 | 1.181" | 3/8" | 3/8" | Hex | 6 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 5/16"-18 | 0.591" | 15/32" | 29/64" | Hex | 8 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 5/16"-18 | 0.709" | 15/32" | 29/64" | Hex | 8 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 5/16"-18 | 1.181" | 15/32" | 15/32" | Hex | 8 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 3/8"-16 | 0.591" | 5/8" | 5/8" | Hex | 10 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 3/8"-16 | 0.787" | 5/8" | 5/8" | Hex | 10 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
| 3/8"-16 | 1.181" | 5/8" | 39/64" | Hex | 10 mm | 10 | 000000000 | 00000 | 000000000 | 00000 |
Brass Tapping Insert Assortments for Hardwood
Assortments include various sizes of tapping inserts for hardwood. Made from brass, they’re nonmagnetic, mildly corrosion resistant, and electrically conductive. Also known as knife-thread inserts, they have sharp threads that cut into hardwood for a secure hold. Install using an installation bit and drill.
For technical drawings and 3-D models, click on a part number.
| Includes | No. of Inserts Included | Drill Bit Size | For Max. Hole Dia. | Drive Style | Each | |
Brass Assortments | ||||||
|---|---|---|---|---|---|---|
| 6-32 Thread × 3/8" Installed Lg. (10 Each) 8-32 Thread × 3/8" Installed Lg. (10 Each) 10-32 Thread × 33/64" Installed Lg. (10 Each) 1/4"-20 Thread × 1/2" Installed Lg. (10 Each) 5/16"-18 Thread × 5/8" Installed Lg. (10 Each) 3/8"-16 Thread × 5/8" Installed Lg. (10 Each) | 60 | 1/4", 3/8", 1/2" | 1/4", 3/8", 1/2" | Slotted | 000000000 | 000000 |
For fast installation, use these installation bits with power drills and drill presses.
| For Thread Size | Hex Shank Size | Each | |
| 6-32, 8-32, M3 | 1/4" | 000000000 | 00000 |
| 8-32, 10-24, 10-32, M4, M5 | 1/4" | 000000000 | 0000 |
| 10-24, 10-32, 1/4"-20, 1/4"-28, M5 | 1/4" | 000000000 | 0000 |
| 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, M6 | 1/4" | 000000000 | 0000 |
| 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, M8 | 1/4" | 000000000 | 0000 |
| 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, M10 | 3/8" | 000000000 | 0000 |