discount 70% in 2018-09-23 to 2018-09-25
price: USD$ 84.70
freight :USD$7.00,(Postal parcel)
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[for your reference]American tap size is calculated according to inch, metric taps is calculated in accordance with the number of mm, although their tooth type angle is 60 degrees, but cannot tap tap U.S. and metric interoperability drops. Straight slot tap is versatile, through-hole or non hole, non-ferrous metal or ferrous metal can be processed, the price is also cheap. Straight slot taps are generally used for thread machining of general lathes, drilling machines and tapping machines.