Cobalt Drill Bits Set Of 12 17/64 Inch Black And Gold Coated Twist Drill Bits For Metal M2 High Speed Steel With HRC 62 63 Hardness Durable Precision Bits For Automotive Home Improvement And Workshop Projects

12-Piece Cobalt Drill Bits Set for Metalwork, 17/64in
✔️ M2 HSS, HRC 62-63, 135° tip, 3-flat shank, 4.125in length

These cobalt drill bits are high-speed steel tools designed to cut metal with precision. The 12-piece set features a durable Black and Gold coating and is ideal for automotive work, home improvement, and workshop projects. Not for masonry or concrete.

✅ 12-piece set ✅ Diameter 17/64 inch ✅ Total length 4-1/8 inch ✅ Working length 2-7/8 inch ✅ 135-degree point ✅ M2 High Speed Steel with black and gold coating ✅ ANSI spec shank: 3-flat

💡 What is a cobalt drill bit set best used for?

These bits are ideal for fast, durable metal drilling and precision finishing. - Handy for drilling hardened metals, alloys, and stainless steel - Self-centering 135-degree tip reduces walking and improves accuracy - Heat-resistant coating extends life in high-speed cuts - Use on metal, wood, plastics; not for concrete or masonry