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Product improvement - Pliers BST-2D/A05/3/4/5/13/21

  • Author:Kelvin Ma
  • Source:www.szbesttool.com
  • Release on :2014-12-29
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.