• 5318 Victory Drive
    Indianapolis, IN 46203
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M4X.7 Tap, Bottom, metric thread, D6/D7, 4 flutes, Carbide, TiAlN Coated, Form Tap, with Coolant

  • Item Code: 1927-4.000
  • 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.

Coolant fed taps are designed to increase cutting efficiency and chip evacuation by supplying coolant directly to the cutting zone. Coolant ducts within the tap are directed either radially or axially. Radial coolant ducts funnel coolant directly into the flute of the tap while radial coolant ducts channel coolant to the point of the tap.

Tech Specs

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Brand Guhring
Diameter (mm) 4.001
H Limit D6/D7
Overall Length (mm) 63
chamfer (decimal) Bottom
Coolant with
Number of flutes 4
Square Size (mm) 3.4
Cutting Direction FORM
Diameter M4X.7
Reach (mm) 21
Coating TiAlN
Series 1927
Overall Length (decimal) 2.4803
Shank Diameter (mm) 4.5
threadtype metric
Material Carbide