Chinese wholesale Tap And Die Set Handle – Hand Tap Set Of 3 Pieces Din 352 Hss-g – YUXIANG

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Chinese wholesale Tap And Die Set Handle – Hand Tap Set Of 3 Pieces Din 352 Hss-g – YUXIANG Detail:

Difference between machine taps and hand taps

There is only one machine tap, and the material is generally high-speed steel (because the cutting speed is high), and there is generally no square tenon at the tail (of course, there are exceptions). When it is used, it is cut by a machine tool.

3pcs set include TAPER, PLUG, BOTTOM

Taper tap has 7 to 10 chamfers. Chamfer angles is 4°.
Plug tap has 3 to 5 chamfers. Chamfer angles is 8°.
Bottom tap has 1 to 2 chamfers. Chamfer angles is 23°.
In order to reduce the cutting amount during thread tapping, some manual taps are divided into two sets or three sets of sleeve taps, which can reduce the occurrence of taps folded in the hole. The sleeve cone is composed of a head cone, a second cone and a (three cone), the head cone is used for the first tapping, the second cone is used for the subsequent processing, and the third cone is used at the end.
Ps: In some countries the name “PLUG” is commonly used to indicate a Bottoming tap. In America it is used to indicate a Second tap. To avoid confusion with American terms, the terminoloqy adopted by British Standard 949 1979 as shown above, should be used.

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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Chinese wholesale Tap And Die Set Handle – Hand Tap Set Of 3 Pieces Din 352 Hss-g – YUXIANG, The product will supply to all over the world, such as: Canberra, Paraguay, Sierra Leone, We insist on the principle of "Credit being primary, Customers being the king and Quality being the best", we are looking forward to the mutual cooperation with all friends at home and abroad and we will create a bright future of business.

Din352 Hand Tap