Features: 100% brand new and high quality. Performed well in tapping, quick with high accuracy. Spiral pointed design for simultaneous chip removal and tapping. Suitable for machine and manual use, great for auto repair and machinery where metric threads are specified. Include 7 size screw taps: M3/M4/M5/M6/M8//M12 to suit your various needs. Specifications: Material: HSS 6542. Surface Process: Nitriding Treatment. Product size: M3*0.5,M4*0.7,M5*0.8,M6*1.0,M8*1.25,M10*1.5,M12*1.75. .
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