Descriptions:  3Pcs M10-M20 HSS-4341 screw tap straight groove high-speed steel straight flute tools kit.     Specifications:  Material: High Speed Steel (HSS).  Thread Direction: Left hand.  Type: M10, M12, M14, M16, M18, M20.  Size:  M10: 1.5mm / M12: 1.75mm / M14: 2.0mm.  M16: 2.0mm / M18: 2.5mm / M20: 2.5mm.     Fitment:  - Suitable for the processing of stainless steel and ordinary steel more durable.  - Mainly used for all kinds of through-hole material thread cutting operation.     Use:  - For through hole machining, has a chip unobstructed, airy advantage, processing speed is high.  - When processing thread chips forward discharge.  - Its core design is relatively large size, good strength, can withstand greater cutting forces.  - Processing of non-ferrous materials,stainless steel, black metallic effects are good, threaded through holes spiral point taps should be given priority.     Feature:  - Precision, long lasting sharp, durable;  - Coating of titanium coating;  - Chip removal is smooth;  - Range of application,durable wear-resisting.     Package Included:  3 x Hand Tap