QUARKZMAN 12-Piece 1.3 mm M35 Cobalt HSS Metal Drill Bit Set, 39 mm

Description

• Size: Cutting diameter 1.3 mm (0.05 in), flute length 18 mm (0.71 in), shank diameter 1.3 mm (0.05 in), overall length 39 mm (1.54 in)
• M35 cobalt high-speed steel with 5% cobalt for high hardness, fast cutting, improved wear resistance, and longer service life than standard HSS bits
• 135 fast-cutting point and round shank help prevent wandering for precise, faster drilling
• Fully ground spiral flute quickly removes debris and reduces friction and heat for smooth chip movement
• Suitable for hard materials such as carbide, copper, aluminum, cast iron, plastic, and wood; also works on softer materials
• Not suitable for glass or ceramic
• Small drill bits; check the size before purchase. Recommended speed: 100800 rpm

The M35 cobalt high-speed steel drill bit contains 5% cobalt and offers high hardness, fast cutting performance, improved wear resistance, and longer service life than standard HSS drill bits. Its 135 fast-cutting point, round shank, and fully ground spiral flute support precise drilling, help prevent wandering, and efficiently remove debris while reducing friction and heat. It can be used on materials such as carbide, copper, aluminum, cast iron, plastic, and wood, as well as softer materials. Not suitable for glass or ceramic. These are small drill bits, so check the size before purchase. Recommended speed: 100800 rpm.

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