Overview
The BOLT Lock 5/8 inch receiver lock, part number 7018445, is a hitch pin lock cut for the GM Double Cut Thin Groove key profile. It opens with an early model GM key, which suits owners of earlier GM vehicles who need a trailer or accessory lock.
The 5/8 inch stainless steel shaft fits class 3 and class 4 hitch receivers. A solid zinc core, automotive grade cylinder and stainless steel shutter help the lock work in dirt and moisture. It is made in the USA and carries a limited lifetime warranty.
Key features
- Opens with an early model GM key, per the manufacturer
- Double Cut Thin Groove key profile
- Solid zinc core with an automotive grade cylinder
- 6 plate-tumbler sidebar against picking and bumping
- Stainless steel lock shutter
- 5/8 inch shaft for class 3 and class 4 receivers
Matching an early GM key
Older GM keys come in several cut profiles, and the difference between them is often small. A key that looks similar may still fail to turn the cylinder, so compare the cut carefully before relying on the lock. If the key is worn, a locksmith can usually cut a replacement from the original key.
Because this lock is for a hitch pin, the shaft and receiver fit matter as much as the key. Inspect the pin for bends, check the receiver opening for wear, and make sure the lock seats fully before each trip. Replace the lock if the shaft or head is damaged, since a damaged pin may not hold.
- Compare key cuts before buying a spare
- Inspect the pin after rough trail use
Specifications
| Brand | BOLT Lock |
|---|---|
| Part number | 7018445 |
| UPC | 652732112355 |
| Key profile | GM Double Cut Thin Groove |
| Key type | Early model GM |
| Shaft diameter | 5/8 inch, stainless steel |
| Hitch fit | Class 3 and class 4 receivers |
| Core | Solid zinc |
| Made in | USA |
| Warranty | Limited lifetime |
Vehicle fitment
This lock is built around an early model GM key. Its shaft fits class 3 and class 4 hitch receivers, so check the receiver before use.
Confirm your vehicle’s year, model and trim before ordering. Match the key to the lock before use.
Installation notes
Verify the receiver class first, since this lock fits class 3 and class 4 only. Make sure the key profile is Double Cut Thin Groove.
What’s included
The 5/8 inch BOLT receiver lock described above. Confirm the key count before relying on the lock.
