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Imported YAMAWA black spiral wire tapping screw tap for M1.4M2M3M4MM5M6M8M10M12 machine

Black oxide spiral screw: tapping surface treatment is to improve the surface hardness of the 1. tool, in order to enhance its wear resistance; 2. to prevent the cutter and the cutting bonding material between the 3. surface layer is porous, the cooling liquid with good adsorption, can play the role of reducing friction. 4 can prevent the bond between the wire tapping and the cutting material. 5 eliminate the grinding ability of the wire tapping residue on its surface

discount 70% in 2018-09-23 to 2018-09-25
price: USD$ 52.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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