WEBER SUPPLY
Apex Tool Group · Armstrong
Armstrong 21-424 Standard Length Socket
3/4 in Square Drive, 3/4 in, 8 Points
- Stock #
- 3A0420A3
- MFG Part #
- 21-424
Armstrong Socket, Standard Length, Series, Yes Impact Rated, Measurement System, Square Drive, Drive Size, in 3/4, Socket Size, in 3/4, 1.907 Overall Length, Opening Depth in, in 0.4, 1-5/8 Drive End Width, Socket End Width in, in 1-1/2, Number of Points, Bolt Clearance Depth, in 0.563, High Alloy Steel, Finish
- EYE-D markings optimize size visibility, also providing SAE/metric differentiation
- Socket wall dimensions are optimized to provide strength while retaining access to restricted fasteners
- Manufactured from high alloy steel using the most up-to-date manufacturing process and heat treat for greater strength and durability
Standards & approvals

