Quick facts
- Brand: BECOLLO
- Price: USD 18.99
- Rating: 4.60 (728 reviews)
If you frequently drill tougher materials, the BECOLLO 7/16 inch cobalt drill bit set is built to handle heat and wear better than standard bits. Made from M35 cobalt (5%) high-speed steel, these jobber-length twist bits are designed for drilling hard metals such as stainless steel and cast iron—while still working on softer materials when needed.
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Each bit features a fully ground surface for smoother cutting and reduced friction, plus a 135° split point that self-centers to help prevent walking and skating on the workpiece. You get three matching 7/16″ bits stored in a plastic case for easier organization and transport.
- M35 cobalt (5%) high-speed steel for improved wear and heat resistance
- Fully ground finish for a smoother surface and reduced friction
- 135° split point for faster starts and easier self-centering
- Suitable for hard metals like stainless steel and cast iron (also works on softer materials)
- 3-piece 7/16″ set in a plastic case; manufactured to ANSI B94-11M
Set includes: 3 × 7/16″ (11.11 mm) drill bits with straight shanks and a 2-flute spiral design.






