Product Description
TRB RC Hard Alloy Steel "L" Short Hex Key Set 7pcs, 1 each of .050, 1/16, 5/64, 3/32" & 1.5, 2, 2.5mm.Specifications:
Spec:
ASME 18.3
Material:
Alloy steel containing at least two of the following elements: chromium, nickel, molybdenum or vanadium,
in sufficient quantity to assure that the minimum surface hardness meets the standards listed below.
Hardness:
Rockwell C 48 minimum
