Tri-Groove Sockets
Square Drive
Grip the indentations around the outside of tri-groove fasteners. These sockets are for hand-driven use only.
| Drive Size | Overall Lg. | OD | For Fastener Type | For Screw Size (Head Dia.) | Material | Each | |
1/4" Square Drive | |||||||
|---|---|---|---|---|---|---|---|
| No. 4 | 1" | 31/64" | Screws | No. 4 Standard (0.13") No. 6 Countersunk (0.268") | Black-Oxide Steel | 0000000 | 000000 |
Phillips Bit Sockets
For technical drawings and 3-D models, click on a part number.
Pozidriv® Bit Sockets
For technical drawings and 3-D models, click on a part number.
| Drive Size | Overall Lg. | Material | Bit Replaceable | Specifications Met | Each | |
1/2" Square Drive | ||||||
|---|---|---|---|---|---|---|
| No. 4 | 2 3/8" | Chrome-Plated Steel | No | ISO 1174, ISO 8764-1 | 00000000 | 000000 |
Tri-Groove Socket Sets
Grip the indentations around the outside of tri-groove fasteners.
| No. of Pieces | Components Included | Includes | Finish | Each | |
1/4" Square Drive—Steel | |||||
|---|---|---|---|---|---|
| 4 | 3 Sockets 1 Drive Tool | Standard Socket: No. 4 (For No. 4 Standard Screws and No. 6 Countersunk Screws) Standard Socket: No. 6 (For Nos. 6 and 8 Standard Screws and Nos. 8 and 10 Countersunk Screws) Standard Socket: No. 10 (For Nos. 10, 12, and 1/4" Standard Screws; 1/4" Countersunk Screws; and Nos. 6 and 8 Nuts) 8" Long Socket Screwdiver Handle | Black Oxide | 0000000 | 000000 |
Impact Screwdrivers
 |  Phillips |
 Slotted |
Break stuck screws free using screwdriver bits. Strike the end of the handle with a hammer to turn the bit and tighten or loosen fasteners. Use these tools as an impact wrench without the bit adapter.
| Number of Sizes | Sizes Included  | Drive Size | For Bit Hex Shank Size | Overall Lg. | Material | Finish | Bit Material | Each | |
3/8" Square Drive Size | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 5 | Phillips: No. 1, No. 2, No. 3, No. 4 Slotted: 3/8" | No. 1, No. 2, No. 3, No. 4, 3/8" | 5/16" | 5 1/4" | Steel | Black Oxide | Steel | 000000 | 000000 |
1/2" Square Drive Size | |||||||||
| 5 | Phillips: No. 1, No. 2, No. 3, No. 4 Slotted: 3/8" | No. 1, No. 2, No. 3, No. 4, 3/8" | 5/16" | 5 1/4" | Steel | Black Oxide | Steel | 0000000 | 00000 |