Japan OSG inch tube teeth / tube throat teeth of taper NPT1/8-271/4-183/81/2
OSG straight slot tap: straight groove, edge strength, cutting cone length easy to choose, regrinding is easy to apply in the high hardness of processing materials, easy to cause tool wear materials, cutting powder like material, tapping depth short through hole, blind hole.
discount 70% in 2018-09-26 to 2018-09-28
freight :USD$7.00,(Postal parcel)
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