ZVD Bosch hss-g 1MM-10MM 23 Pcs Straight Shank High Speed Steel Industrial Twist Drill Bits

HSS-G Full Range of High Speed Steel Twist Drill Bits Newly designed in a plastic box with a professional image, moisture-proof and durable. (14.0-16.0mm) 4-pack (8.0-13.0mm) 5-pack (1.0-7.5mm) 10-pack The whole bar is shaped by grinding, the size is accurate, the service life is long, the working efficiency is high, and it is suitable for all kinds of brands of hand drills and rotary drills. percussion, the scope of application is wide. Surface finish: natural color, clean and high quality Manufacturing: diameter tolerance h8 according to DIN 338/1414, quality Bosch standard Self-centering: 135" double back angle, self-centering performance, no slippage when drilling High quality and performance: M2 high-performance high-speed steel for drilling all alloys and non-alloyed materials with a bending strength of up to 900 N/mm, such as cast steel, cast iron, die castings, non-ferrous metals, aluminum, hard plastics, etc.