Product improvement - Pliers BST-2D/A05/3/4/5/13/21
Kelvin Ma www.szbesttool.com 2014-12-29 18:00:10
Now our pliers are made of 60HRC CR-V steel which more harden.
But what is CR-V Steel? Here have answer:
Chrome vanadium steel is added chrome vanadium alloy tool steel alloying elements, heat treatment hardness 60HRC (Rockwell hardness) or more manganese is especially resistant steel ZGMn13 this: it has good wear resistance under specific operating conditions (strong impact/high abrasion requirements) such as tank track panels.