- Diameter - Thread Size: 1/4-20
- Drive Size: 5/32 in
- Drive Type: Hex
- Hardness: HRC 36-43
- Head Type: Round Socket
- Material: ASTM A574 Alloy Steel
- Measurement System: Imperial
- Shoulder Diameter: 5/16 in
- Shoulder Length: 2 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