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Wire tap tap and hard high speed steel wire cone M16M18M20M22M24M27M36 for on pass nitriding machine

discount 70% in 2018-09-19 to 2018-09-21
price: USD$ 66.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Name: full grinding straight slot machine tap (nitriding black section)
Material: high quality M2 River metallurgy material (HSS)
Surface treatment: Nitriding coating (increasing surface finish / hardness and saturation of molecular structure)
Straight groove machine taps, generally with 4-4.5 cutting edge, suitable for through-hole machining, using vacuum quenching heat treatment, so that it has a good wear resistance and fatigue resistance. At the same time, we all wear it back back, it will feel very light and comfortable to use.
Applicable materials: cut for low carbon steel, wrought iron, A3 materials such as black metal, aluminum, magnesium, nickel chromium manganese steel through hole processing of non-ferrous metals such as stainless steel / mild.
[postage note]

Because the arrival of goods is not the same, but also lead to different freight, fixed above the standard postage only for reference, we guarantee that the postage will not be accounted for a customer 10 Fen points cheaper

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Cell phone: 15888604428
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