
Irwin 1791137 Fractional Tap, 1/4 in- 20 NC Thread, Bottom Tap Thread, HCS
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Product specification
Irwin Hanson
038548994130
1791137
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
1 to 2 threads chamfered
Shortest and least efficient standard chamfer
Ideal for threading close to the bottom of blind holes
For threading close to the bottom of blind holes
HAND TOOLS
POWER TOOLS AND ACCESSORIES
MECHANICS TOOLS
MACHINIST TOOLS
BOTTOM TAPS
Straight Flute Taps
6.5
2.5
6.125
0.111
