A 6 mm Allen key socket (hex bit socket) is used with ratchets, torque wrenches, or power tools for tightening and loosening fasteners with a 6 mm internal hexagonal recess.
Specification
Typical Value
Bit Size
6 mm Hex (Allen)
Socket Drive Size
1/4”, 3/8”, or 1/2” square drive
Bit Material
S2 alloy steel or chrome vanadium steel
Socket Material
Chrome vanadium steel (Cr-V)
Finish
Chrome plated, satin, or black phosphate
Overall Length
37–100 mm
Hardness
HRC 58–62 (bit)
Standard
DIN 7422, ISO 1174
Type
Standard or deep socket
Operating Mode
Manual or impact (impact-rated versions)
Weight
40–150 got