Litorange 6 Pcs 6542 HSS Drill & Taps Bit Set with Cobalt Coating, Screw Tapping Threading Tools in Sizes M3-M10 with 6 mm Hex Shank, Suitable for Professional and Difficult Tapping

High Strength Material 6542 HSS: Advanced 6543 HSS provides ultra-high strength and toughness, excellent wear resistance, and is suitable for manufacturing cutting tools and molds. High-strength steel and copper parts can be processed more easily with this product High-Quality Cobalt Coating: Cobalt coating provides excellent wear resistance and strength. It is resistant to high temperatures, rust and oxidation, ensuring long-term durability. These drill bits are less likely to deform and melt at high temperatures, ensuring extended service life Professional Everyday Tools: These drill taps are efficient and cost-effective for batch manufacturing. In addition to being used on aluminum, plastic, wood and other thin soft material metal panels, it can also be used on other high hardness materials such as copper parts and steel plates. When used on high-strength materials, please use professional bench drills and lubricating oils to ensure full performance Cost-effective Combination: Because it uses 6542 HSS and cobalt coating, it has higher durability, and the service life and performance of a single root are much higher than those of ordinary HSS-made products, so the combination is more cost-effective and reasonable