Materials: Middle carbon steel *0 # **5 #
Specification: Diameter 1.*0mm*6.0mm
Size: Diameter range 1/4" ***1/2"
Length range *3mm***0mm
Surface: Original color, blacken,
Plated zinc, Dacromet zinc
Package: Standard export packing,
Small package, bulk package
Characteristics: . Middle carbon steel hardness to reach more than
HRC*0, shear strength ≥ **0 MPA, toughness curvature properties≥
*5° . Super hardness, superior quality and reasonable price. Flat
head with grooved, round head with smooth shank and diamond
point.