General description 13Pack HSS Twist Drill Bit Set is designed for high performance and durability, featuring M35 cobalt steel construction with titanium coating. This set includes 13 drill bits ranging from 1.5mm to 6.5mm, making it suitable for drilling wood, metal, and plastic. The bits are extremely heat resistant and ideal for various DIY and professional applications. Technical specifications Material: 95% High Speed Steel + 5% Cobalt Rockwell hardness: up to 67 Bit sizes: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm Usage Suitable for drilling through cast iron, copper, aluminum, plastic, and wood Recommended operating speed: 1500 RPM or greater for maximum efficiency Self-centering 135° Quick-Cut points for quick penetration with less pressure Cooling liquid can be used to prolong the life of the drill bits Other information Tests show that M35 cobalt steel drill bits can penetrate a 5mm-thick 304 stainless steel plate in 5 seconds Bits are
Availablity: 3-5 days
Free shipping & return for orders over $200