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Through the drilling and tapping machine with integrated composite wire tapping on the standard of one tap 456810 American Standard spiral drill

Nitride hardening, overall high-speed steel, are the standard 6 square shank and American Standard shank Quartet, genuine security, Jiangsu first purchase of 100 bags of mail

price:USD$26.00
discount 70% in 2018-09-18 to 2018-09-20
price: USD$ 18.20
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Material: high quality M2 River metallurgy material (HSS)

Surface treatment: Nitriding coating (increasing surface finish / hardness and saturation of molecular structure)

One drill / fast replacement of composite cone, using two edged drill bit principle, integrated, one-stop processing, greatly reduce the processing time and cost, improve work efficiency. Its groove shape is spiral, suitable for processing internal thread.

It is suitable for cutting all kinds of mild adhesive alloy such as carbon steel and ordinary steel plate, copper and aluminum, etc..