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

1/4-28 in. UNF H3 HSS-XS1 Gold Finish Semi-Bottoming Spiral Flute Tap

  • Item Code: 0582329
  • Brand: Dormer
  • Unit Size: 1

Description

Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 1/4" with 28 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2550" shank and 0.1910" square drive, powder metallurgical HSS-E with bright finish and 45? helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium

Features

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    • Premium substrate for blind hole tapping in tough or abrasive materials
    • Bronze oxide body and shank reduces rust and corrosion
    • Bright finish flutes improve chip flow in soft and non-ferrous materials

Tech Specs

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Material HSS Cobalt Powdered Metal
Overall Length Metric 63.5 mm
Shank Style Cylindrical shank with Square
Cutting Direction Right
Number of Flutes 3
Helix Angle 45 Deg.
Brand Dormer
Overall Length Inches 2.5"
Coating/Finish Bright
Overall Length Fractional 2-1/2"