UNC, UNF, UNEF American Standard Thread Ring Gauge
| Place of Origin: |
Guangdong |
Company Profile
| Location: |
China (Mainland) |
| Business Type: |
Manufacturer, Trading Company |
Product Detail
| Machine Type: |
Others |
| Brand Name: |
ROK |
Product Description
unc | unf | unef |
| nominal size | thread/perinch | accuracy | nominal size | thread/perinch | accuracy | nominal size | thread/perinch | accuracy |
| 3 | 48 | 2a\3a | 3 | 56 | 2a\3a | 12 | 32 | 2a\3a |
| 4 | 40 | 2a\3a | 4 | 48 | 2a\3a | 1/4 | 32 | 2a\3a |
| 5 | 40 | 2a\3a | 5 | 44 | 2a\3a | 5/16 | 32 | 2a\3a |
| 6 | 32 | 2a\3a | 6 | 40 | 2a\3a | 3/8 | 32 | 2a\3a |
| 8 | 32 | 2a\3a | 8 | 36 | 2a\3a | 7/16 | 28 | 2a\3a |
| 10 | 24 | 2a\3a | 10 | 32 | 2a\3a | 1/2 | 28 | 2a\3a |
| 12 | 24 | 2a\3a | 12 | 28 | 2a\3a | 9/16 | 24 | 2a\3a |
| 1/4 | 20 | 2a\3a | 1/4 | 24 | 2a\3a | 5/8 | 24 | 2a\3a |
| 5/16 | 18 | 2a\3a | 5/16 | 24 | 2a\3a | 11/16 | 24 | 2a\3a |
| 3/8 | 16 | 2a\3a | 3/8 | 20 | 2a\3a | 3/4 | 20 | 2a\3a |
| 7/16 | 14 | 2a\3a | 7/16 | 20 | 2a\3a | 7/8 | 20 | 2a\3a |
| 1/2 | 13 | 2a\3a | 1/2 | 18 | 2a\3a | 13/16 | 20 | 2a\3a |
| 9/16 | 12 | 2a\3a | 9/16 | 18 | 2a\3a | 15/16 | 20 | 2a\3a |
| 5/8 | 11 | 2a\3a | 5/8 | 16 | 2a\3a | 1 | 20 | 2a\3a |
| 3/4 | 10 | 2a\3a | 3/4 | 14 | 2a\3a | 1 1/16 | 18 | 2a\3a |
| 7/8 | 9 | 2a\3a | 7/8 | 12 | 2a\3a | 1 1/8 | 18 | 2a\3a |
| 1 | 8 | 2a\3a | 1 | 12 | 2a\3a | 1 3/16 | 18 | 2a\3a |
| 1 1/8 | 7 | 2a\3a | 1 1/8 | 12 | 2a\3a | 1 1/4 | 18 | 2a\3a |
| 1 1/4 | 7 | 2a\3a | 1 1/4 | 12 | 2a\3a | 1 5/16 | 18 | 2a\3a |
| 1 3/8 | 6 | 2a\3a | 1 3/8 | 12 | 2a\3a | 1 3/8 | 18 | 2a\3a |
| 1 1/2 | 6 | 2a\3a | 1 1/2 | 12 | 2a\3a | 1 7/16 | 18 | 2a\3a |
| 1 3/4 | 5 | 2a\3a | 1 3/4 | 12 | 2a\3a | 1 1/2 | 18 | 2a\3a |
| 2 | 4.5 | 2a\3a | 2 | 12 | 2a\3a | 1 9/16 | 18 | 2a\3a |
| …… | | | …… | | | …… | | |
| 6 | | | 6 | | | 6 | | |
