https://www.mccoys.com/shop/p/2244374-052303-31/irwin-hanson-1788674-fractional-tap-516-18-thread-unc-thread-bottom-chamfer-hcs
1788674 Fractional Tap, 5/16-18 Thread, UNC Thread, Bottom Chamfer, HCS
Product SKU #2244374-052303-31
$4
.69
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High-carbon steel self aligning taps, ideal for routine maintenance, repair work and for rethreading where high accuracy and tolerance thread is needed. Used for hand threading work in a variety of materials, produces class 2B thread. Tap size and recommended drill bit size is laser etched on each tool for easy identification.
- 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
SAE/Metric
SAE
Thread Type
UNC
Thread Size
5/16-18
Thread Direction
Right Hand
Chamfer Type
Bottom
Shank Type
Straight
Material
HCS
Overall Length
10-1/2
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