1 piece
1 3/8-8 Heavy hex nuts Grade 2H Hardened 

MaterialSteel
Fastener Strength Grade/Class
ASTM Grade 2H
Thread Size3/8"-8
Thread TypeUN
Thread Spacing
Coarse
Thread FitClass 2B
Thread DirectionRight Hand
Width3/16"
Height11/32"
Drive StyleExternal Hex
Nut TypeHex
Hex Nut ProfileExtra Wide
System of MeasurementInch
Specifications MetASTM A194