
Product description: Made of HSS-4241 material
Product Name: Taper Shank Drill
Production process: milling
Surface treatment: Black Oxide
Material quality: HSS-4241 high-speed steel
Uses: Suitable for drilling of various materials such as die steel, I-beam, ordinary steel, angle iron, aluminum, copper, wood, etc. (non-professional stainless steel twist drills cannot be used for drilling stainless steel and hard alloy materials)




