Metric Drill Set 1 To 10mm By 0.5mm M35 HSS Plus 5% Cobalt 135 Degree Split Point 19 Piece Cobalt Drill Bits In Plastic Box For Drilling Hard Metals Like Cast Iron And Stainless Steel

Cobalt Drill Bit Set 1-10mm, M35 HSS+ 19pc, 135° Split Point
✔️ 19-piece cobalt drill set, 1-10 mm steps, ideal for hard metals

These cobalt drill bits are heavy-duty HSS tools made with M35 cobalt alloy to cut through hard metals like cast iron, stainless steel, and heat-treated steel. This 19-piece set comes in a sturdy plastic box and covers 1 mm to 10 mm in 0.5 mm increments for precise hole sizing. Perfect for metalworking shops, fabrication, and automotive work.

✅ 19 pcs
✅ Solid M35 = H.S.S + 5% Cobalt
✅ 1-10 mm by 0.5 mm increments
✅ Straight shank, straight flute; lasts 12x longer than standard 118° point drill bits
✅ Fully ground bits, last longer than milled bits
✅ Retains hardness at high temperatures
✅ 135° split point does not require spot before drilling to prevent walking

💡 What is a cobalt drill bit best used for in metalworking and why pick cobalt? These bits are handy for tackling tough metals and high-temperature drilling. - Handy for cast iron, stainless steel, and heat-treated steel - High heat resistance from 5% cobalt alloy improves life - 135° split point aids start and reduces wandering - Works with drill press or handheld drills