Built Like A Tank M42 High Cobalt Drill Bit Set Featuring 68 To 70 HRC Hardness Precision Cutting Tool Kit For Stainless Steel Metal Wood And Plastic 13 Piece Assortment

13 piece m42 high cobalt drill bit assortment kit
✔️ m42 alloy drill bits rated 68 70 hrc for stubborn metals

This 13 piece assortment comes ready to tackle stainless steel, hardwood, and thick plastics without skipping a beat. Shop owners and DIY mechanics grab this set because the packed selection covers most routine hole sizing needs out of the box.

✅ 13 assorted sizing for standard fabrication jobs
✅ M42 high speed steel composition resists heat buildup
✅ 135 split point geometry centers quickly without wandering
✅ Ground straight flute design clears chips fast

💡 Why pick cobalt steel twist bits over standard carbide for shop projects?
Cobalt adds molybdenum to the base mix which keeps the cutting lips intact when friction spikes during heavy drilling.
- The tougher alloy cuts through rusted fasteners without dulling your budget
- Less need for frequent resharpening keeps your workflow slick and easy
- Higher heat tolerance means fewer stalled bits when punching holes in sheet metal

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