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Snap-on TR4320B | Blue-Point NF Rethreading Die | 7/16–20 NF
Part Number : TR4320B
Thread size 7/16–20 is what identifies the TR4320B, a Blue-Point NF rethreading die. Snap-on files it with the rethreading tap and die set components. A die works on external threads such as those on bolts, studs and shafts, and a rethreading die is used to clean up or restore threads that already exist. The figure after the dash is the number of threads per inch, here 20.
Key features
- Thread size: 7/16–20
- Type: NF Rethreading Dies
- Thread pitch: 20 threads per inch
- NF (fine) thread series
- Sold under the Blue-Point name
- Snap-on item number TR4320B
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