- Diameter - Thread Size: 5/16-18
- Drive Type: Hex
- Head Type: Round Socket
- Material: ASTM A574 Alloy Steel
- Measurement System: Imperial
- Shoulder Diameter: 3/8 in
- Shoulder Length: 2-1/2 in
- Thread Type: UNC
- Surface Treatment: Plain/Thermal Black Oxide
- Standards
ASME/ANSI B18.3-2002