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Set of 6 Long Tap Drill Bits Metric M3 to M10 For drilling and tapping soft metals, aluminum sheet, plastic, copper, steel, wood, etc. Combination drills for metal. Drilling and tapping with one tool. Drills are made of HSS high-speed steel. Hex Bit Shank for 1/4' (6.35mm) Screwdrivers IMPORTANT! Combined seeders are recommended to be used at low speed, it is advisable to use coolant during operation. The set includes: M3 x 0.5 mm - 64 mm M4 x 0.7 mm - 64 mm M5 x 0.8 mm - 67 mm M6 x 1.0 mm - 67 mm M8 x 1.25 mm - 70 mm M10 x 1.5 mm - 70 mm HIGH CLASS DRILLS. durable HSS steel. Thanks to this solution, we can safely drill materials such as: soft metals, aluminum sheets, plastic, copper, steel, wood, etc. CONSTRUCTION Gelet - sharpened and reinforced for easy penetration into hard materials. Internal Tapping Shank - A popular 1/4" hex shank used as a drill core to insert into a drill bit External Tapping
