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Spiral groove machine of drilling machine taps M3M4M5M6M8 titanium wire screw hole hand tapping extrusion Taps

discount 70% in 2018-09-21 to 2018-09-23
price: USD$ 15.40
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Name:Special spiral groove machine tap M3-M8

Texture of material:HSS high speed steel 6542

Surface treatment:Ti


Characteristics and application methods:Suitable for machining screw thread blind hole, experience tells us: the processing of black metal, spiral angle selected smaller, generally at about 30 degrees, ensure the spiral tooth strength. Processing non-ferrous metals, spiral angle election of a larger point, can be about 45 degrees, cutting a bit sharp.