6-Piece HSS Hex Shank Drill Bit Set M3-M10 Tap Screw Thread - Gold-Fei Yu

General Description: Made from 4341 high-speed steel, this set of 6 hex shank drill bits is designed for high hardness and rust resistance, ensuring a long service life. The bits are ideal for drilling, tapping, deburring, and milling, saving processing steps and improving work efficiency. This kit includes various sizes to meet different needs, ranging from M3 to M10. Technical Specifications

Material: 4341 High Speed Steel

Surface Treatment: Titanium Coating

Drill Bit Sizes: M3x0.5 (Total Length: 54mm), M4x0.7 (Total Length: 55mm), M5x0.8 (Total Length: 56mm), M6x1.0 (Total Length: 57mm), M8x1.25 (Total Length: 59mm), M10x1.5 (Total Length: 60mm)

Shank: 1/4" (6.35mm) Hex

Chamfer Angle: 90°

Application: These drill bits are suitable for drilling materials such as wood, Plastic, thin copper, aluminum, and other soft metals. It is recommended to inject water during drilling to cool the drill bit and to add oil before turning on the tap for smoother operation and to prolong its life. Avoid drilling at excessive speed without cooling.