Promo ✔️ Prime-Line 5/16 in.-18 Grade 18-8 Stainless Steel Nylon Insert Lock Nuts (50-Pack) 🥰
Original price was: $10.71.$7.07Current price is: $7.07.
Installs easily with most wrenches
Designed to be used with the same sized screw
Stainless steel construction offers rust-resistant performance
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Lock nuts (or locknuts) feature a nylon insert that grips onto threads and resists loosening due to vibration. It is best to only use each nut once as its holding power is reduced if reused. They should not be used in extremely high heat or in certain chemical environments as that could weaken the plastic insert.
- Size: 5/16 in.-18
- Features an internal nylon ring that grips bolt threads better than a standard finished nut
- Great for use in applications where the bolt may be subject to vibration
- Can also be used as a secondary nut to help lock the main nut in place
- Side with the nylon insert should face towards the tip of the bolt, not towards the surface being fastened
- Thread type: coarse, thread class: UNC-2B
- Specification(s) met: ASME B18.6.6 and ASME B1.1
| ACQ Rated Fastener | No |
|---|---|
| Returnable | 90-Day |
| Inside Diameter | 0.3125 |
| Assembled Width (in.) | 0.45 in |
| Assembled Height (in.) | 0.35 in |
| Assembled Depth (in.) | 0.45 in |
| Manufacturer Warranty | Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
| Thread pitch | 18 |
| Size | 5/16 in |
| Product Weight (lb.) | 0.015 |
| Fastener Callout Size | 5/16 |
| Package Quantity | 50 |
| Measurement Standard | SAE |
| Material | Steel |
| Grade | 18-8 Stainless |
| Finish Family | Stainless Steel |
| Fastener Type | Lock Nut |
| Fastener Thread Type | Coarse |
| Fastener Plating | Stainless Steel |
| Outside Width (in.) | 0.45 |
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