![4mm Cobalt Metal Drill Bits, Pack of 10. 2608585880](http://johnsmithaberdeen.co.uk/cdn/shop/products/MetaldrillbitsHSS-Co_ee6978da-4518-4707-9f7b-3616c59f52d5_{width}x.png?v=1585573954)
4mm Cobalt Metal Drill Bits, Pack of 10. 2608585880
HSS Twist Drill Bit Cobalt provides long-lasting performance when drilling stainless steel
- Cobalt alloy and fully ground HSS provide wear resistance and heat protection
- Two cutters and two flutes remove chips quickly to make the bits last even longer
- Manufactured to DIN 338, drill bit Type N (flute angle) with a 135-degree tip, diameter tolerance h8