40671 Coarse 5/8 Nylon Insert Lock Box/25
by Gap Power
SKU 03655
Original price
$14.24
-
Original price
$14.24
Original price
$14.24
$14.24
$14.24
-
$14.24
Current price
$14.24
In-Store Availability
Stock Status:
Limited Stock (1-2?)
Location:
Not Specified
In-Store Only — Visit us in Gap, PA to purchase
Overview
The 40671 Coarse 5/8 Nylon Insert Lock Nut (03655) is designed for fastening applications requiring resistance to loosening under vibrations and torque. Supplied by Midwest Fastener, this product is sold in a box of 25 units, offering a practical bulk quantity for professional and trade use.
| Specification | Detail |
|---|---|
| MPN | 03655 |
| Brand | Midwest Fastener |
| Thread Type | Coarse |
| Size | 5/8 |
| Insert Type | Nylon Insert |
| Color | Gray |
| Package Quantity | 25 per box |
| Package Weight | 3.91 lb |
| Package Dimensions | 4.52 x 3.22 x 2.05 in |
Technical Features
- Nylon insert locking mechanism: The embedded nylon collar grips the bolt threads when tightened, resisting loosening caused by vibration and applied torque without the need for additional locking hardware.
- Coarse thread profile: Coarse threading allows for faster installation and greater resistance to cross-threading, reducing assembly time in high-volume fastening tasks.
- 5/8 sizing: Matches standard 5/8 coarse-thread bolt specifications, ensuring broad compatibility across common structural and mechanical assemblies.
- Box quantity of 25: Bulk packaging reduces per-unit cost and ensures sufficient supply for multi-point fastening jobs without repeated reordering.
Applications
- Structural assemblies subject to continuous vibration, such as machinery mounts and equipment frames.
- General construction and fabrication where fastener loosening under dynamic loads is a concern.
- Mechanical and industrial maintenance requiring reliable, reusable thread-locking fasteners.
- Any application calling for a standard 5/8 coarse-thread nut with integrated locking capability.

















































