discount 70% in 2018-09-24 to 2018-09-26
price: USD$ 87.50
freight :USD$7.00,(Postal parcel)
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Remarks1：EX-SFT-LStandard conventional blind hole can also be used through holes.
Remarks2Standard: 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.
Remarks3Accuracy level of wire tapping:OSG/TOSG OHClass:OH2。
Remarks4Material of wire tapping:HSS-E。
Remarks5The number of teeth eaten by cutting edge:2.5tooth