Which kind of material is good for inner six angle spanner?
In the name of "wrench" means "twisting" action, it embodies the inner six angle wrench and other common tools (such as: slotted screwdriver and screwdriver) between the most important difference, it exerts a force on the screw torque, greatly reduces the user's hard strength. It can be said that in the modern furniture industry involved in the installation of tools, the six angle wrench is not the most commonly used, but it is the best use.
Inner six angle wrench is also called Alan wrench. Common English names include "Allen key" (or "Allen wrench") and "Hex key" (or Hexwrench).
Inside the six angle wrench, the best material is S2, followed by 8660. The market is the conventional carbon steel and chrome vanadium steel, chrome vanadium steel in corrosion resistance, hardness and wear resistance than carbon steel, so that the choice of chrome vanadium steel.
