1/4 Inch Micro Solid Carbide Drill Bits Set 1 To 20 mm Series With 0.01 mm Increments Straight Shank Coated For CNC Lathe Milling Chamfering Engraving EDM Drilling Stainless Steel And Hard Alloys Pro Grade Heavy Duty
✔️ 1/4 in solid carbide set, 1-20 mm range, 0.01 mm steps, straight shank
This micro solid carbide drill bit set is designed for high-speed machining in CNC lathes, milling machines, EDM drilling, engraving, chamfering, and other metalworking tasks. It covers a range from 1 mm to 20 mm in 0.01 mm increments, making it ideal for stainless steel and hard alloys as well as aluminum and copper alloys. The bits are uncoated with a high-helix design to improve chip evacuation and hole quality in tough materials.
✅ Solid carbide construction provides high hardness and efficient heat dissipation
✅ Precision tolerance under -0.01 mm (-0.0004 in) with h6 shank for accurate toolholding
✅ Wide material compatibility: aluminum, copper, brass, bronze, carbon steels, alloy steels, cast iron up to 55HRC
✅ High-helix, four-facet point geometry for fast chip removal and clean holes
✅ Size range includes 1/4 in dia with 25 mm max drilling depth and 50 mm overall length
💡 What is a solid carbide drill bit set used for in metalworking and CNC milling? Handy for cutting hard metals with precision and long tool life.
- High-precision hole making in stainless steel and hard alloys - Efficient chip removal with high-helix geometry - Compatible with CNC lathes, milling machines, and EDM setups - Long service life under heavy-duty drilling