HSS M35 Cobalt Twist Drill Bit,15pcs 1.5-10mm

Cobalt Steel - Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. Superior Heat Resistance - Withstand high temperatures during prolonged drilling, ensuring consistent performance. Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. 13pc Set - The set includes 13pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm. Well organized in a plastic indexed storage case for easy transport to your worksite. Precision Cutting - The 135° quick-cut split points are self-centered and will penetrate quickly with less pressure. No center punch is needed. Will not "walk" or "wander". Professional Quality: Built to meet the demands of heavy-duty use, perfect for contractors, machinists, and serious hobbyists., Weight: 0.220462262 pounds, Manufacturer: Hymnorq