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6-40 Tap, Modified Bottom, UNJF thread, H2/H3, 3 flutes, HSS-E-PM, TiCN Coated, 15° Spiral Flute

  • Item Code: 1064-3.505
  • Brand: Guhring
  • Unit Size: 1

Description

The UNJ thread standard (ASME B1.15) defines a system of threads for highly stressed applications requiring high fatigue strength. It was derived from a military specification (MIL-S- 8879). MIL-S-8879 was primarily thought of and used for aerospace fastener and threaded component applications. Guhring offers both unified UNJ and metric MJ tap options as stocked standards.

Tech Specs

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Series 1064
Diameter 6-40
threadtype UNJF
Coating TiCN
Brand Guhring
Overall Length (mm) 56
Helix Angle 15°
Number of flutes 3
Shank Diameter (mm) 4
Square Size (decimal) 0.11
chamfer (decimal) Modified Bottom
Diameter (mm) 3.503
H Limit H2/H3
Material HSS-E-PM
Overall Length (decimal) 2.2047
Reach (mm) 20