We offer high-quality HSS Twist Drill Bits made from M2 Grade High Speed Steel, featuring a Straight Shank design. Available in diameters ranging from 1mm to 25mm, with overall lengths from 34mm to 205mm and working lengths from 12mm to 130mm. These drill bits are equipped with a Double Helix Spiral Flute for efficient chip removal, a 118° point angle, and a hardness of HRC 62-65. With a speed range of 500-3, these drill bits exhibit excellent heat resistance up to 600°C, making them ideal for various drilling applications. Trust us as your reliable supplier and trader for premium drill bits.