Three Eighths Inch Cobalt Drill Bit Set Five Pack M35 High Speed Steel Jobber Length For Hardened Metal Stainless Steel Cast Iron Wood And Plastic With Handy Index Storage Case

3/8-Inch Cobalt Drill Bit Set (5-Pack) M35 HSS with Case
✔️ Five 3/8 in cobalt bits for hardened metals, plastics, stored

This 5-pack of 3/8 inch cobalt drill bits deliver hard-cutting power for metalworking and woodworking projects. They are ideal for stainless steel, cast iron, hardened steel, and tougher plastics, with a compact index case for quick access in shops and DIY setups.

✅ 5-pack of 3/8 inch cobalt drill bits
✅ M35 high speed steel for hardened metals
✅ Jobber length for deep drilling
✅ 135 degree point tip for self-centering cutting
✅ Handy index storage case for quick access

💡 What is the best use case for cobalt drill bits in metalworking?

- They excel on stainless steel, cast iron, and other hard metals, offering long life - They stay sharp under heat with correct speeds and lubrication - They work on tough plastics and wood when precision is key - Use peck drilling to manage chips and heat, and a proper speed