discount 70% in 2018-09-25 to 2018-09-27
price: USD$ 133.35
freight :USD$7.00,(Postal parcel)
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Dongguan Changan Hong Hong Hardware tool is a management of extrusion silk attack, adhering to the "good faith management, quality assurance, excellence" business philosophy, commitment to provide customers with good reputation, reasonable price, punctual delivery. Main wholesale: TaiwanTOSGWire tapping,YAMAWAWire attack, KoreaKOSGTap,OSGWire tap, lengthened tap, sheath tap, left tooth tap, non-standard fine tap and so on.
Spiral groove tap for steel wire screwSpiral groove tap for machining and installing internal thread of steel wire screw. This kind of tap is usually suitable for machining blind hole internal thread, and the chip is discharged backwards when machining. Spiral fluted taps and straight fluted taps is different, the trench straight slot taps into a line, and the spiral tap into a spiral type it is, at the time of the tapping, to increase its rotation of the spiral groove can easily cut chip discharge hole, so as to avoid cutting residue or blockage in the trench, and spinning cone broken, edge crack, so the spiral groove can increase the tap life, cutting out internal threads with high precision, the cutting speed is also fast straight slot taps.