Our hex jam nuts are a true, solid 651 Silicon Bronze Alloy and comparable to our regular hex finish nuts but thinner. Two jam nuts are generally used at a time, and tightened against one another for a locking effect. Jam nuts are often also referred to as:
- Check Nuts
- Thin Hex Nuts
- Thin Nuts
Need an anti-seize and thread protectant for these nuts? Don’t forget to add on some Fair Wind Screw Lube.
Nominal Size | Width Across The Flats | Thickness |
1/4″ | 7/16″ | 5/32″ |
5/16″ | 1/2″ | 3/16″ |
3/8″ | 9/16″ | 7/32″ |
1/2″ | 3/4″ | 5/16″ |
5/8″ | 1 5/16″ | 3/8″ |
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