5/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 6
Key features
- •JOBBER LENGTH: 5/16-inch cutting diameter, 3-3/16-inch flute length, 4-1/2-inch overall length, 135 degree split point, 3-flat shank
- •MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits
- •CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
- •APPLICATION: best used for drilling in hard metal, including stainless steel
- •INCLUDE: 6 pieces of 5/16-inch cobalt drill bits with case
5/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 6
List Price: $41.66$37.49DEALYou Save: $4.17 (10%)
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![DRAPER Drill Grinding Attachment [44351]](https://m.media-amazon.com/images/I/41hdn1BL8eL._SL500_.jpg)
