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Left tooth spiral tap, left wire tapping, M3M4M5M6M8M10M12M14M16 anti tooth machine with upper chip

Blind through holes are available

discount 70% in 2018-09-18 to 2018-09-20
price: USD$ 124.25
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Our goods are not all package mail, buyers buy contact customer service, self photographed, the shop has the right not to send goods, specific freight contact customer service

Remarks1EX-SFT-LStandard conventional blind hole can also be used through holes.
    Remarks2Standard stock standing stock, screw wire attack and general straight groove wire attack is different, ordinary straight groove wire attack groove into linear type, and spiral wire attack is spiral type. When the screw thread is used to attack the tooth, the iron filings can be easily discharged from the hole by the spiral rotation of the spiral groove, so as to avoid the residual iron or the blockage in the groove, and cause the broken edge of the wire tapping and breaking, so that the life of the wire tapping can be increased and the thread with the cutting precision can be increased. 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

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