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7pcs M3-M12 HSS Nitriding Coated Screw Tap Metric Right Hand Spiral Screw Thread Tap

7pcs M3-M12 HSS Nitriding Coated Screw Tap Metric Right Hand Spiral Screw Thread Tap   Specification: Material: HSS Surface treatment: Nitriding Treatment Diameter of Head: 3mm,4mm,5mm,6mm,8mm,10mm,12mm Quantity: 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, magnesium alloy; anti-bonding strength 600 ~ 900N / mm 2 the high-carbon steel, alloy steel, bronze, etc.   Package Included: 7pcs x Screw Thread Tap   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: 

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