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Japan us OSG spiral screw tap tapping machine UNC1-64/2-56/5-40/6-32/8-32

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price:USD$40.00
discount 70% in 2018-09-18 to 2018-09-20
price: USD$ 28.00
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Please read the following information carefully before you shoot:
First, our store is shipped goods, there are a large number of inventory spot, but the spiral wire tapping has different precision and surface treatment, so please contact with the boss before the call or call15019105750

 
 
Two, YAMAWA spiral screw, P2, P3, to P1, P4P5P6 four kinds of precision, accuracy of different price is the same, please rest assured to buy, there is a detailed description about the accuracy of the purchase below, or before making contact and dispensers which need precision, or ITU15019105750
Specification: tooth diameter X tooth pitch
 

 

 

Three, spiral groove tap (N+SP/N-SP)
1:N+SP/N-SPStandard conventional blind hole can also be used through holes.
2: standard standing inventory, spiral screw and straight groove screw is different, the ordinary straight groove groove silk attack line type, and the spiral screw is a screw type. Spiral screw in tapping, to increase its rotation of the spiral groove, can easily cut iron from the hole, so as to avoid iron residue or blockage in the trench, caused by tapping broken edge crack, so it can increase the life of wire tapping and cutting out the thread of the highest precision. Spiral wire tapping is suitable for cutting high toughness materials, but not suitable for fine chips such as cast iron