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#12-28 UNF HSS Oxide Finish 2B 2 Flute 30 Deg. Combination Drill and Tap

  • Item Code: 5978411
  • Brand: Dormer
  • Unit Size: 1

Description

Combination drill-tap with a 30? spiral flute, for Unified National Fine thread UNF 12 with 28 TPI and Medium class of fit, dimensions according to DORMER-DIN standard with 5.6mm shank and 4.5mm square drive, HSS with steam tempered surface finish and 30? helix angle for 1.5xD through hole threading in free machining steel

Tech Specs

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Overall Length Metric 77 mm
Number of Flutes 2
Shank Style Cylindrical shank with Square
Coating/Finish Steam Tempered
Cutting Direction Right
Overall Length Inches 3.0315
Helix Angle 30 Deg.
Brand Dormer
Material HSS