Four Spiral Flute M35 Cobalt Step Drill Bit Set One Quarter Inch Shank Three Piece Kit With Thirty Size Steps Heavy Duty Impact Resistant Drill Bits For Stainless Steel Metal Wood Aluminum And Plastic

Three-Piece M35 Cobalt Step Drill Bit Set for Metals
✔️ M35 cobalt HSS with 30 sizes, four spiral grooves, 3-piece kit

This three-piece drill bit kit uses M35 cobalt high-speed steel with TiAlN coating for superior wear resistance. It’s designed for metalworking and DIY projects, ideal for stainless steel, aluminum, wood, and plastics when used with a power drill.

✅ 30 sizes: 1/8 to 1 inch (9 steps), 1/4 to 1-1/8 inch (15 steps), 3/16 to 1/2 inch (6 steps)
✅ M35 cobalt high-speed steel with TiAlN coating for long wear
✅ Four spiral grooves for fast cutting and easy chip removal

💡 What is a drill bit set with cobalt steel used for?

These handy bits are built to cut through tough metals and last longer, making them a handy choice for metalworking and DIY projects.

- stainless steel, aluminum, wood, and plastics drilling with durable cobalt steel - TiAlN coated edges reduce heat and wear for longer life - 30 sizes cover common drilling needs in metalworking and fabrication