Center Drill Bit Set, M2 High Speed Steel Center Drill Bits, Centring Drill Bit and Countersink Tools for Carbon Steel, Aluminium, Cast Iron, Soft Metals, Copper, Metric 1-5mm (7pcs)
Professional 7-Piece Center Drill Bit Set: This center drill bit set includes precision-ground sizes from 1.0-5.0mm (1.0/1.5/2.0/2.5/3.0/4.0/5.0mm), engineered for creating starter holes in metalworking applications. The 60° conical tips maintain ±0.05mm concentricity for lathe machining and CNC operations for metalworking.
High-Precision 60° Centering Geometry: Each centering drill bit features a laser-verified 60° tip angle to create flawless pilot holes for larger drills. Ideal for machining hardened steels (180-220HB) including alloysteel, tool steel, brass, aluminum, alloys, soft metals, copper and wood etc.
M2 HSS Construction for Demanding Workshops: Our center drills are forged from heat-treated M2 high-speed steel, offering 3X longer lifespan than standard bits. The polished flutes prevent chip welding during high-RPM lathe operations up to 3000rpm.
Multi-Material Machining Capability: These center drill bits handle: Ferrous metals: carbon steel, cast iron; Non-ferrous: brass, aluminum, copper; Composite materials; Compatible with bench drills, milling machines, and CNC lathes.
Industrial-Grade Organization & Support: Included crushproof case protects your center drill set during job site transport. Backed by our 45-day satisfaction guarantee - contact us for replacement and other customer care services.
