Irwin Hanson 1/4"-20 National Coarse Tap
Irwin Hanson 1/4"-20 National Coarse Tap
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$3.39
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$3.39
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- Straight flutes are ground to provide rapid chip removal for efficient threading
- Ideal for routine maintenance, repair work and for rethreading
- Taps produce a class 2B thread
- Designed for hand threading work in a variety of materials
- 3 to 5 threads chamfered