SS Heavy Hexagon Nuts – ASTM A 194 – Grade 8T/8C
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- Specification – ANSI B18.2.2
- Material – ASTM A 194
- Grade – 8T/8C
- Description
- Size Guide - Imperial
Description
Hex nuts are required for most fastening purposes and are built for easy installation. While hex nut design seems to be simple, it is designed to deliver high-end efficiency and performance. Hex nuts are six-sided, internally threaded fasteners, mated with bolts, studs, screws and other externally threaded items. The inclusion of the hex nut ensures that the bolt, etc., remains in place.
| GRADE 8T/8C | |||||
|---|---|---|---|---|---|
| DIA. (D) | Thread Per Inch | Across Flats (A/F) | Thickness (T) | Grade 8T | Grade 8C |
| 1/4″ UNC | 20 | 7/16″ | 1/4″ | ||
| 5/16″ UNC | 18 | 1/2″ | 5/16″ | ||
| 3/8″ UNC | 16 | 11/16″ | 3/8″ | ★ | |
| 7/16″ UNC | 14 | 3/4″ | 7/16″ | ||
| 1/2″ UNC | 13 | 7/8″ | 1/2″ | ★ | ★ |
| 9/16″ UNC | 12 | 15/16″ | 9/16″ | ||
| 5/8″ UNC | 11 | 1.1/16″ | 5/8″ | ★ | ★ |
| 3/4″ UNC | 10 | 1.1/4″ | 3/4″ | ★ | ★ |
| 7/8″ UNC | 9 | 1.7/16″ | 7/8″ | ★ | ★ |
| 1″ UNC | 8 | 1.5/8″ | 1″ | ★ | ★ |
| 1.1/8″ UNS | 8 | 1.13/16″ | 1.1/8″ | ★ | ★ |
| 1.1/4″ UNS | 8 | 2″ | 1.1/4″ | ★ | ★ |
| 1.3/8″ UNS | 8 | 2.3/16″ | 1.3/8″ | ★ | |
| 1.1/2″ UNS | 8 | 2.3/8″ | 1.1/2″ | ★ | |
| 1.5/8″ UNS | 8 | 2.9/16″ | 1.5/8″ | ||
| 1.3/4″ UNS | 8 | 2.3/4″ | 1.3/4″ | ||
| 1.7/8″ UNS | 8 | 2.15/16″ | 1.7/8″ | ||
| 2″ UNS | 8 | 3.1/8″ | 2″ | ||
| 2.1/4″ UNS | 8 | 3.1/2″ | 2.1/4″ | ||
| 2.1/2″ UNS | 8 | 3.7/8″ | 2.1/2″ | ||
| 2.3/4″ UNS | 8 | 4.1/4″ | 2.3/4″ | ||
| 3″ UNS | 8 | 4.5/8″ | 3″ | ||
| 3.1/4″ UNS | 8 | 5″ | 3.1/4″ | ||
| 3.1/2″ UNS | 8 | 5.3/4″ | 3.1/2″ | ||
