Description 7pcs M3 0 5 M4 0 7 M5 0 8 M6 1 0 M8 1 25 M10 1 5 M12 1 75 HSS Nitriding Coated Metric Right Hand Spiral Screw Thread Tap set Specification Material HSSSurface treatment Nitriding TreatmentDiameter of Head 3mm 4mm 5mm 6mm 8mm 10mm 12mmThread M3 0 5 M4 0 7 M5 0 8 M6 1 0 M8 1 25 M10 1 5 M12 1 75Quantity 7pcs Features The application of nitriding enhances the abrasion performance surface hardness fatigue limit anti erosion ability of the tapping Small resistance smooth chip removal smooth cutting surface no residue with good machinability it can tap to the button of blind hole Flexible to be use processing efficiency good stability safe and reliable widely used low processing cost can be applied to a variety of jobs Applicable Workpiece tensile strength 750N mm 2 or less the low carbon steel copper aluminum alloy anti bonding strength 600 900N mm 2 the high carbon steel alloy steel bronze etc Package Included 1 x Screw Thread Tap set 7pcs Note 1 Please allow 1 3mm error due to manual measurement please make sure you do not mind before you bid 2 Due to the difference between different monitors the picture may not reflect the actual color of the item More Details