Irwin Tools Fractional Taps (HCS) Carbon Steel

Irwin Tools

SKU / Product InfoQuantity
1320
1/4"-20 NC Taper Tap, 4 Flutes, 13/64" Drill Bit
1327
5/16"-18 NC Taper Tap, 4 Flutes, G Drill Bit
1334
3/8"-16 NC Taper Tap, 4 Flutes, O Drill Bit
1344
1/2"-13 NC Taper Tap, 4 Flutes, 27/64" Drill Bit
1420
1/4"-20 NC Plug Tap, 4 Flutes, 13/64" Drill Bit
1427
5/16"-18 NC Plug Top, 4 Flutes, G Drill Bit
1444
1/2"-13 NC Plug Tap, 4 Flutes, 27/64" Drill Bit
1520
1/4"-20 NC Bottom Tap, 4 Flutes, 13/64" Drill Bit
1534
3/8"-16 NC Bottom Tap, 4 Flutes, O Drill Bit

Quick Overview

  • Ideal for routine maintenance, repair work and for rethreading where high accuracy and tolerance thread is not critical
  • Straight flutes are ground to provide rapid chip removal for efficient threading
  • Designed for hand threading work in a variety of materials
  • Taps produce a class 2B thread
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Additional Information


Manufacturer: Irwin Tools