Available in both coarse (UNC) and fine (UNF) thread types
Choose from zinc-plated mild steel or corrosion-resistant stainless steel
Helps prevent loosening of load cell and structural connections
Thin profile allows pairing with regular nuts for double-nut locking
Ideal for weighing systems, mounting assemblies, and industrial fasteners
Supports a wide range of thread sizes from ¼ inch to 1½ inch
Jam Nuts are thin, hex-shaped nuts designed to lock against a standard nut, forming a secure connection that resists loosening due to vibration or heavy load movement. Commonly used in load cell installations, structural assemblies, and industrial platforms, jam nuts serve as a reliable solution for enhancing fastening integrity.
Available in zinc-plated mild steel for general use or stainless steel for environments requiring corrosion resistance, these jam nuts offer compatibility with a wide range of equipment. They are an essential accessory for locking threaded rods, mounting brackets, clevis mounts, and load cell isolators.
With options in both coarse (UNC) and fine (UNF) threads, jam nuts from SellEton Scales provide unmatched versatility and long-lasting performance for any application that demands secure fastening.
| Thread Size | Part # | |
|---|---|---|
| 1/4-28 UNF | 14639 | |
| 3/8-24 UNF | 14651 | |
| 1/2-20 UNF | 14664 | |
| 3/4-16 UNF | 14687 | |
| 1-12 UNF | 14702 | |
| 1-14 UNF | 14703 | |
| 1 1/4-12 UNF | 14708 | |
| 1 1/2-12 UNF | 14711 |
| Thread Size | Part # | |
|---|---|---|
| 1/4-20 UNC | 14636 | |
| 3/8-16 UNC | 14649 | |
| 1/2-13 UNC | 14661 | |
| 5/8-11 UNC | 14676 | |
| 3/4-10 UNC | 14686 | |
| 1-8 UNC | 14701 | |
| 1 1/4-7 UNC | 14707 |
| Thread Size | Part # | |
|---|---|---|
| 1/4-28 UNF | 14640 | |
| 1/2-20 UNF | 14665 | |
| 3/4-16 UNF | 14688 |
| Thread Size | Part # | |
|---|---|---|
| 3/8-16 UNC | 14653 | |
| 1/2-13 UNC | 14662 | |
| 5/8-11 UNC | 14680 | |
| 3/4-10 UNC | 14690 |
Secure your assemblies and prevent loosening with high-quality Jam Nuts from SellEton Scales. Available in multiple materials and thread styles to suit every industrial application. Order by part number or contact us for help choosing the right option.
Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
Customer Support: Contact at (844)-735-5386 or info@selletonscales.com for queries or concerns about shipping.
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