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6 PCS/Set High Speed Steel Straight Shank Twist Drill Bit for Drilling Metal, Wood and Plastics
1. 6 Sizes: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm, total quantity is 6 pcs.
2. Mainly for thinner, low hardness of wood and soft metal hole processing, for high hardness stainless steel and other materials can not be processed.
3. The main material is high-speed steel, with titanium and nitriding treatment. High speed steel is more abrasion resistant and durable than other metal materials.
2. Mainly for thinner, low hardness of wood and soft metal hole processing, for high hardness stainless steel and other materials can not be processed.
3. The main material is high-speed steel, with titanium and nitriding treatment. High speed steel is more abrasion resistant and durable than other metal materials.
