Description
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Diameter (D) mm 3.5 Specification 3,5 x 39 x 70 mm Total length (L2) mm 70.0 Working length (L1) mm 39.0 Net Weight 0.050 Gross Weight 0.050 Country of origin China -
- Long Life drilling in stainless steel
- Start holes accurately with a specially designed centring tip. This helps you to be precise in your drilling every time, working efficiently for hundreds of clean holes.
- High-speed steel with added cobalt for long-lasting performance. The drill bits made from High-speed steel blended with 5% of cobalt are strong and resistant to heat and wear.
- Cylindrical shank compatible with three-jaw drill chucks