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    Indianapolis, IN 46203
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M20X1.5 Tap, Modified Bottom, metric fine thread, D11/D12, 7 flutes, HSS-E, TiN Coated, Form Tap

  • Item Code: 3975-20.007
  • Brand: Guhring
  • Unit Size: 1

Description

Not all threads are made by cutting. In large production runs or where great strength is required, the threads may be rolled (male) or formed (female).

In the case of the tap there are no cutting edges but instead the tap is lobed. The tap is forced into the hole and the material is deformed by the lobes into the required thread form. Formed threads have the advantage of increased strength (the material flows into shape via cold forming) along with reduced manufacturing time.

Tech Specs

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Overall Length (decimal) 4.4690
Cutting Direction FORM
Coating TiN
Number of flutes 7
Material HSS-E
Square Size (decimal) 0.489
Series 3975
Shank Diameter (mm) 16.5608
Diameter M20X1.5
Diameter (mm) 20
H Limit D11/D12
Brand Guhring
chamfer (decimal) Modified Bottom
Overall Length (mm) 113.5126
threadtype metric fine