- Brand:Â PecoDiameter - Thread Size:Â 1/4-20Finish:Â Zinc PlatedHardness:Â B68-C32 RockwellHeight:Â 7/32 inMaterial:Â Carbon SteelMeasurement System:Â ImperialThread Type:Â USSWidth Across Flats:Â 0.428 to 0.438 in
- 90000 psi coarse thread, 80000 psi fine thread proof load
- Low carbon steel-requirements-carbon: 0.47 percent maximum, phosphorus: 0.12 percent maximum, sulfur: 0.23 percent maximum
- 0.488 to 0.505 in W across corner
- Peco Hex Nut, Measurement System: Imperial, 1/4-20 Thread, Carbon Steel, Zinc Plated, 0.428 to 0.438 in Width Across Flats, 7/32 in Height, USS Thread, B68-C32 Rockwell Hardness