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Spiral screw tap M12M14M16M18*1*1.25*1.5*2 Jiangsu Tiangong titanium screw machine

discount 70% in 2018-09-24 to 2018-09-26
price: USD$ 16.90
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Product Name: Jiangsu Tiangong screw tap

Materials: M2

Suitable for steel parts iron parts

Accuracy: H2

Specifications: 3-52 mm standard teeth

Jiangsu TiangongFull grinding spiral machine taps, M3-M52, material: HSS, precision grade H2, underport formula: diameter = bottom - pitch diameter of thread.

Uses: for machining nuts or other parts of the ordinary thread internal thread (ie tapping). Machine taps usually refers to high speed steel geared tap on the machine tool, suitable for tapping; hand taps refers to carbon tool steel or alloy tool steel rolling (or incisor) tap, suitable for manual tapping. But in production, they are interchangeable. The nut tap is mainly used for the common thread internal thread of machining nut.