S2 alloy tool steel has a relatively high hardness among screwdriver materials, with a hardness range between HRC58-62. The following is a detailed comparison of S2 alloy tool steel and other common screwdriver materials: S2 alloy tool steel: Hardness【Read More】

A screwdriver is a common manual tool mainly used to tighten or loosen screws. It can be classified in various ways, and the following will introduce it in detail from different dimensions: Classified by head shape One word (flat head) screwdriver Appe【Read More】