- Diameter - Thread Size: 3/8-16
- Drive Size: 1/4 in
- Drive Type: Hex
- Hardness: HRC 36-43
- Head Type: Round Socket
- Material: ASTM A574 Alloy Steel
- Measurement System: Imperial
- Shoulder Diameter: 1/2 in
- Shoulder Length: 1-3/4 in
- Thread Type: UNC
- Surface Treatment: Plain/Thermal Black Oxide
- Application
- Standards
For use in tools and die application as well as stationary guides, pulley shafts, moving shafts and pivots
ASME/ANSI B18.3-2002