5/16 Inch Cobalt Drill Bit Set 10 Pcs M35 High Speed Steel Jobber Length Drill Bit Kit For Hardened Metal Stainless Steel Cast Iron Wood And Plastic With Durable Index Storage Case That Rips Through Tough Metals
✔️ 5/16 inch M35 cobalt bits, HSS; 10 piece set with case
This 10-piece drill bit set in 5/16 inch diameter is built with M35 cobalt alloy for long life and sharp cutting. It’s designed to drill stainless steel, cast iron, copper, aluminum, plastics, wood, and other tough materials, and comes in a durable index storage case for easy organization.
✅ Diameter: 5/16 inch (7.94 mm)
✅ Shank: Jobber length for versatility
✅ Point: 135-degree tip for self-centering and fast cutting
✅ Material: M35 cobalt steel with hardened, polished finish
✅ Case: durable index storage case for easy organization
💡 What is a cobalt drill bit used for? This handy drill bit is designed to tackle hard metals and tough plastics. - It works well on stainless steel and cast iron. - The cobalt alloy boosts wear resistance and heat tolerance for longer life. - Jobber-length shanks give flexibility in common drilling tasks.