Specifications
Dimensions
- Head Diameter7/16 in
- Head Height7/32 in
- Hex Key Size5/16in
- Shoulder Diameter7.94 mm
- Shoulder Length5/16 in
- Thread Depth7/16 in
- Thread Size1/4-20
Details
- Drive TypeHex Socket
- Fastener StandardANSI B18.3; ASME/ANSI B18.3; ASTM A574
- Finish CoatingUncoated
- MaterialAlloy Steel
- Material Grade4140
- Thread StandardUNC
Overview
Mfr description
40208142 40208142 5/16 X 5/16 ALLOY SOCK
- Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bitsThe driving surface is protected from external damage and provides six sides of contact surface for added torque.