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
ANSI/ASME B18.2.2
Diameter - Thread Size
1/4-20
Finish
Zinc Plated
Hardness
B68-C32 Rockwell
Height
7/32 in
Material
Carbon Steel
Measurement System
Imperial
Thread Type
USS
Width Across Flats
0.428 to 0.438 in
Brand
Peco
90000 psi coarse thread, 80000 psi fine thread proof loadLow carbon steel-requirements-carbon: 0.47 percent maximum, phosphorus: 0.12 percent maximum, sulfur: 0.23 percent maximum0.488 to 0.505 in W across corner