HSS Drill Bit

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Jiangsu Tianchi Tools Firm 14yr.

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Mobile 13957948654

E-mail zjtctools@163.com

13957948654

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Description
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High speed steel twist drill through its relatively fixed axis of rotation cutting in drilling the workpiece hole tool. Shape because of its chip grooves into a spiral twist got its name. Spiral grooved with 2 slots, 3 or more grooves, but with 2 slots are the most popular. Twist drills can be clamped on the manual, electric handheld drill or drill press, milling machine, lathe and machining center uses. High speed steel twist drill materials for high-speed steel (HSS).

HSS straight shank twist drills, high hardness cutting speed, suitable for iron, steel, copper, aluminum, aluminum alloys, and other metals, Hss 4341 or up than this material suitable for stainless steel.

Update time：20180323000000

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