• 5318 Victory Drive
    Indianapolis, IN 46203
  • (800) 622-4824
  • www.haggard-stocking.com

7/16-20 Tap, Spiral Point Plug, UNF thread, H7, 3 flutes, HSS-E-PM, TiN Coated

  • Item Code: 3983-11.113
  • Brand: Guhring
  • Unit Size: 1

Description

Oversized taps are taps that are typically +0.003''/+0.005'' larger than the standard pitch diameter. An H7 thread limit tap is +0.003'' oversize from the basic pitch diameter while the H11 tap is +0.005'' oversize. Oversize taps are typically used for threading holes that will be subsequently plated or heat treated after tapping. Guhring offers TiN coated plug and bottoming style oversize taps as stocked standards.

Tech Specs

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Material HSS-E-PM
Number of flutes 3
threadtype UNF
Overall Length (decimal) 3.1614
chamfer (decimal) Spiral Point Plug
Coating TiN
Diameter 7/16-20
Shank Diameter (mm) 8.2042
Series 3983
Overall Length (mm) 80.2996
Diameter (mm) 11.11
H Limit H7
Square Size (decimal) 0.2421
Brand Guhring