Description
Key Features
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Hard & DurableThis drill bit contains 5% Cobalt (M35 Cobalt HSS), which increases the strength, the tool life and makes it more heat-resistant. Rockwell Hardness >= 67 |
Precise Performance135°Split Point with straight shank prevents walking and makes drilling precise |
Fast Particles RemovingFully Ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance |
Portable & Easy To StorePocket size twist drill bit set is easy to store in a toolbox or in pocket |
Stay Cool
- Friction will accumulate heat between bits and work piece.
- Be aware of the heat, add water or coolant if necessary.
Right Drilling Device
- To avoid breaking, 1/16” and smaller bits are suggested to be used with a pin vise
- Thick metals are advisable to be drilled with drill press, which is more stable, and adjustable
- To have the best performance, you shouldn’t drill deeper than 1/2 of the drill bits’ fluting length