Tap tap HSS high speed steel production made straight slot machine 1 inch 3/4-16UN-18UNS-20UN
High speed steel HSS full grinding process, groove design, easy chip breaking. Cutting is sharp, tapping quality is stable. Suitable for general steel, cast steel, cast iron and other processing.
discount 70% in 2018-09-18 to 2018-09-20
freight :USD$7.00,(Postal parcel)
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