Filter by
Drive Style
Socket Shape
System of Measurement
Bolt Clearance Type
Socket Type
Drive Size
Sold As
Number of Pieces
Drive Type
Finish
Material
DFARS Specialty Metals
Export Control Classification Number (ECCN)
REACH
RoHS
Fastener Type
Tip Style
Bit Replaceable
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. 6 | 1" | 31/64" | Screws | No. 6, No. 8 Standard (0.208") No. 8, No. 10 Countersunk (0.372") | Black-Oxide Steel | 0000000 | 000000 |
Slotted Bit Sockets


For technical drawings and 3-D models, click on a part number.
Drive Size | Overall Lg. | Material | Finish | Bit Replaceable | Each | |
3/8" Square Drive | ||||||
---|---|---|---|---|---|---|
No. 6 | 1 11/16" | Steel | Chrome Plated | No | 000000000 | 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 |