21Pc. HSS Coarse Thread Tap Set SATA 50453

21Pc. HSS Coarse Thread Tap Set SATA 50453
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Introduction
21-piece taper tap/second tap/bottoming tap set: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5, M12 x 1.75                
Made of high-quality HSS through all-grinding                
Surface underwent vapor oxidation treatment, ensuring more smooth tapping without caking                
Longer service life than traditional tap                
Scope of application: in general, thread machining of carbon steel, alloy steel, nonferrous metal, etc.
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No warranty