SKU	Info/Size
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

For More Information on the Irwin Tools Fractional Taps (HCS) Carbon Steel, [Click Here] to Link to Manufacturer Web Site

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