WEXWE Tools M3 x 0.5 Spiral Point Threading Tap, Metric Machine Threading Tap High Speed Steel Cobalt(HSSCo) With DLC Coating, Round Shank with Square End， H2 Tolerance, 2pcs

["MATERIALS: The taps are made from M35 material and surface is coated with DLC for Alu Cutting.","Designed: Spiral flutes is conducive to remove crumbs, not easily broken tap.","APPLICABLE: Suitable for processing through-hole and sticky materials. For drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min. The torque caused by too fast feed speed is too large, which can easily cause the tap to break.","Use: On drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap collets with overload protection.","Tips: Taps are prone to chipping or breaking due to speed overload or non-vertical tapping. Use the correct tapping tools, such as tapping wrench, tapping machine. Micro taps are mainly used in clocks and watches, as well as for making holes in wood and soft metals with lower hardness."]