discount 70% in 2018-09-26 to 2018-09-28
price: USD$ 61.60
freight :USD$7.00,(Postal parcel)
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Buyers please note:
1, OSG type: EX-SFT screw tap
2, the store delivery, standing OH2, the accuracy of OH1, OH3, OH4 and other precision. The accuracy of the different price,Please contact the shopkeeper 13538304172 specific accuracy
3, tap material: HSS-E cutting edge eat of tooth number: 2.5 teeth are applicable to cutting materials: tensile strength below 750N/MM2 low carbon steel, copper, aluminum, magnesium alloy, the tensile strength of 600-900N/MM2 high carbon steel, alloy steel, bronze, etc.
4, surface treatment of tap is different the price is different, mainly in titanium processing, oxidation treatment and plating TICN. Please contact with the shopkeeper 13538304172
The blind hole is cut wood tapping operation, screw tap and general hand taps is different, ordinary hand taps the trench line type, which is a spiral screw tap, screw tap during tapping, to increase its rotation of the spiral groove can easily cut scraps discharge hole so, iron residue or blockage in the groove, caused by tap break, edge crack, so it can increase the life of cutting out the thread tap with the highest precision, cutting speed can be compared with the straight slot taps to speed up 30-50%.