Peco, 38FHNUSSZJ, Hex Nut, Measurement System: Imperial, 3/8-16 Thread, Carbon Steel, Zinc Plated, 0.551 to 0.562 in Width Across Flats, 21/64 in Height, USS Thread, B68-C32 Rockwell Hardness
ANSI/ASME B18.2.2
Diameter - Thread Size
3/8-16
Finish
Zinc Plated
Hardness
B68-C32 Rockwell
Height
21/64 in
Material
Carbon Steel
Measurement System
Imperial
Thread Type
USS
Width Across Flats
0.551 to 0.562 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 maximum0.628 to 0.65 in W across corner