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High hardness compound tap bit drilling and tapping integrated drill bit tap compound spiral wire tapping M3-M10

price:USD$52.24
discount 70% in 2018-09-22 to 2018-09-24
price: USD$ 36.57
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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 Special tap

Combined drill bit and tap

 The ordinary tap must drill holes before tapping, and then can tap the teeth, compound taps break through the traditional processing procedures, drilling tapping two workThe order is completed at one time. Under the condition of high labor cost, the composite tap saves the time of tapping teeth and improves the efficiency of tapping teeth

[Specification]: M3-M10

[material]: high speed steel HSS

[process]: the development of the mill

[surface treatment]: white

M3 total length: 66 spiral length: 13 bit length: 4 drill diameter: 2.5

M4 total length: 67 spiral length: 14 bit length: 5 drill diameter: 3.3

M5 total length: 68 spiral length: 15 bit length: 6 drill diameter: 4.2

M6 total length: 69 spiral length: 16 bit length: 7 drill diameter: 5

M8 total length: 71 spiral length: 18 bit length: 9 drill diameter: 6.8

M10 total length: 73 spiral length: 20 bit length: 11 drill diameter: 8.5