XCAN Thread Tap Metric Screw Spiral Tap Drill Bit M2-M4 HSS M35 Co% Machine Plug Tap for Stainless Steel Metalworking Tools Specification: Type: Right Hand Machine Tap Material: HSS M35 Co5% Coating: ULTRA Surface Flute: Spiral Flute Application: Suitable for processing through holes. Used for drilling and tapping stainless steel, aluminum, die steel, bronze, hard plastics, etc, Used on drilling and tapping machines, CNC and milling machines. Features: 1. Designed to cut threads for standard-sized screws, clear and tidy, no burr, provide rapid chip removal for efficient threading. 2. Spiral Tap the crumbs into a spiral up chip evacuation, it is more suitable for the processing of blind holes and not easily broken tap. 3.ULTRA Coating: ULTRA coating provides excellent corrosion resistance, greatly improves wear resistance and hardness, and reduces the coefficient of friction. M35 Cobalt 5% high speed steel tool features high hardness (HRC65-66), high red hardness, high wear resistance, good toughness. 4. Easy to Use: The thread tap is used on drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps. 5.Tips: Machine taps are suggested to be used with tap collets with overload protection. Hand use or electric drill use is easy to cause breakage to the tap, so it is not recommended. Prone to chipping or breaking due to speed overload or non-vertical tapping