| Product Name | 13pc HSS-Co Twist Drill Bit Set | ||||||||||||||||||||||
| Product Description |
• Heavy-duty twist drill bit made of 5% Cobalt alloyed high speed steel, conforming to DIN 338 standard • Fully ground process gives a more precise concentricity • Bronze steam surface treatment provides a combination of hardness and toughness for wear resistance • Rigid, thick web design strengthens the core to increase flute durability • Self-centring 135-degree split point tip DIN 1412 C helps to reduce thrust and aids an easier penetration • Cobalt material provides better wear resistance in hardness and toughness • Suitable for high-tensile alloys, titanium, cast iron, high-nickel stainless steel |
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