คุณลักษณะ

• sharp blade.
• New Steel Type: High Cobalt High-Speed HSCO-M42 was first used by ISF for straight drilling.
• This is a new steel type of the highest grade used for the heat-resistant hard-to-cut material of the U.S. Space Development Rocket. It has strong toughness due to its high molybdenum content, high hardness and excellent heat-resistant wear resistance.
• The surface is finished in pale gold, and it is the highest quality drill.
• It is the sharpness No. 1 drill that does not cause problems with difficult-to-cut materials such as stainless steel, titanium alloy and hard steel.
• The tip chisel has a sharp sharp cutting edge (American aircraft standard), perfect centripetality and more than twice the bite speed for excellent cutting.