ITEM NAME:13Pcs 1.5-6.5mm M35 Round Shank Cobalt Metric Twist Drill Spiral Drill Bit X8C9 13Pcs 1.5-6.5mm M35 Round Shank Cobalt Metric Twist Drill Spiral Drill Bit X8C9 No center punch is needed-the 135 ° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander" Extremely heat resistant; must be used and operated at 1500 RPM or greater for maximum efficiency. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Notice: The working life of the drill bits can be largely prolonged by using with cooling liquid.The bits are not suitable for hardened steel. Material:stainless steel colour:Gold Package Contents: 1 * 1.5 mm Twist Drill Bit 1 * 2 mm Twist Drill Bit 1 * 2.5 mm Twist Drill Bit 1 * 3 mm Twist Drill Bit 1 * 3.2 mm Twist Drill Bit 1 * 3.5mm Twist Drill Bit 1 * 4 mm Twist Drill Bit 1 * 4.5 mm Twist Drill Bit 1 * 4.8 mm Twist Drill Bit 1 * 5 mm Twist Drill Bit 1 * 5.5 mm Twist Drill Bit 1 * 6 mm Twist Drill Bit 1 * 6.5 mm Twist Drill Bit 1 * Reusable Plastic Case
