APPLICATION-Precision drilling in hard metals, stainless steel, alloy steel, etc. (Soft materials (acrylic, plastic, wood, etc.)-High-density hardwoods (rosewood, teak, etc.)-Composite boards & carved components, detailed craft carving & mortise-tenon joinery-Woodworking DIY/furniture making/artistic carvingABOUT THIS PRODUCTS-M2 high-speed steel #30 drill bits, HRC63-65 hardness, 50% more wear-resistant-Nitriding Black increases wear resistance and reduces friction to improve chip flow -135° split-point design for accurate positioning-Optimized flute design for efficient chip removal-50% longer lifespan vs carbon steel bits, 40% cheaper than cobalt-Heat-resistant up to 600°C, suitable for high-speed cutting (40m/min)SPECIFICATION-Cutting Diameter: #30 (3.264mm)-Flute Length: 42mm (1.65")-Overall Length: 70mm (2.
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