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Highlighted Companies

Din5157 Bsp Hand Tap Set 2pcs Hss G - China

price: contact company for price

Din5157 Bsp Hand Tap Set 2pcs Hss G

Products Photos Catalog Din5157 Bsp Hand Tap Photos Catalog

DIN5157 BSP Hand Tap Set, 2pcs HSS-G

Technical Data: Standard DIN5157

Material HSS-G/HSS-E

Tolerance ISO2(6H)

HRC 61-66

Surface Bright Finished

Flute Type Straight

Cutting Direction Right

Thread Angle 55°

Square DIN10

Both Ends Flat

Application Internal thread cutting for through and blind holes Brief Introduction:

Whit worth-threads have a steeper flank compared to metric threads: thread angle 55° compared to thread angle 60° of metric threads.

There is a distinction between conical and cylindrical types of Whit worth-threads.

Conical threads according to DIN EN 10226-1 (old DIN 2999) are referred to as metallic sealing.

We are Internal Thread Cutting Tool Factory.

The reason for that is that the nominal diameter of a conical thread matches the mating thread after several turns.

By further tightening the pipe, both threads jam and thus become metallic sealing.

Cylindrical threads according to DIN ISO 228 are not self-sealing.

(Abbreviation = G)


Company Contact:


  • Phone: 0571-82688363

  • Address: No. 381, Tianjiali, Tianfeng Village, Yiqiao Town, Xiaoshan, Hangzhou , Zhejiang , China

  • Email: Email


Published date: December 18, 2020

  • Business Description: Ms.

    Yanli Zhang, the current founder of the company, was one of the suppliers of Mr.

    Hartmut Blombach, another shareholder of the company, the owner of GSR in Germany.

    After three days and nights of negotiation on one promotion order about taps and dies, the two sides have established a deep friendship.

    And in the subsequent cooperation, they have created a deep trust between each other.

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