🔩 Drill Smarter, Not Harder — Unlock Metal Mastery with Every Spin!
The Owl Tools 5/16" Cobalt Drill Bits 13-pack features M35 cobalt steel with 5% cobalt for superior heat resistance and durability. Each bit is fully ground with a 135° split point for precision and easier starts on hard metals. Perfect for drilling stainless steel, hardened steel, cast iron, and more, this set comes with a tough plastic storage case and a lifetime satisfaction guarantee from a trusted USA-based company.
| Manufacturer | Owl Tools |
| Part number | Cobalt-Drill-Bits-5-16 |
| Item Weight | 454 g |
| Package Dimensions | 13.31 x 7.39 x 2.69 cm; 453.59 g |
| Item model number | Cobalt-Drill-Bits-5-16 |
| Size | 5/16 in |
| Finish | Bronze |
| Material | Stainless Steel Cobalt Steel Cobalt |
| Number Of Pieces | 13 |
| Batteries Included? | No |
| Batteries Required? | No |
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