Cobalt Spiral Flute Step Drill Bit M35 HSS Three Eighths Inch Main Size With One Quarter Inch Shank For Metal Wood Plastic Durable For Carbon Steel And Stainless Steel Thinkwork

M35 Cobalt Spiral Step Drill Bit, 3/8 in, 1/4 in Shank
✔️ Single-bit M35 cobalt HSS, 9.525 mm main, 6.35 mm shank

This spiral flute step drill bit is built from M35 cobalt HSS for added hardness and wear resistance. It drills through metal, wood, and plastic with multi-step holes, and laser-engraved sizes stay readable for accurate setups. The 9.525 mm main diameter with a 6.35 mm shank fits standard drills and is ideal for stainless steel and carbon steel projects.

✅ Main size: 3/8 in (9.525 mm); Shank: 1/4 in (6.35 mm)
✅ Material: M35 cobalt HSS for high hardness and wear resistance
✅ Range: Drills thin metal, copper, aluminum, iron, carbon steel, wood, and plastic
✅ Stability: Spiral flute reduces deflection for accurate, fast holes
✅ Markings: Laser-engraved sizes stay legible during use

💡 What is a spiral flute step drill bit used for and why is it handy? This common tool speeds up hole creation across materials by providing multiple hole sizes with one bit. - It works well on metal, wood, and plastic - The cobalt HSS resists heat and wear for longer life - Laser-engraved sizes help you read measurements during use