Baolian Nano Coated Pyramid Drill Bit Multi-Functional Metal Tapered Super Hard Reaming Drill Stainless Steel Special Step Drill

Nano coating for enhanced hardness and wear resistance, resulting in sharper cutting edges.

High-quality high-speed steel material ensures durability, long service life, and efficient drilling without blade wear.

Industrial-grade cutting capability with advanced nano technology integration.

Step drill design with 15 step sizes for versatile hole diameters ranging from 4mm to 32mm.

Reinforced drill shank for increased strength and reduced risk of breakage.

Laser marking with clear, precise diameter identification.

Universal hex shank for secure grip and compatibility with various drill types including electric drills, bench drills, and screwdrivers.

Chamfering capability with no burrs, enabling multi-purpose use.

4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32