What retention hardware does
A common assembly uses a screw and post with an elastomeric spacer between shell surfaces. Tightening changes compression and therefore the local contact condition. The shell geometry still does much of the work; hardware cannot correct a poorly controlled fit.
Hardware families
| Component | Function | Specification questions |
|---|---|---|
| Screw and post | Clamps the assembly | Material, finish, thread, length and locking method |
| Spacer | Provides controlled compliance | Hardness, dimensions, compression range |
| Eyelet | Joins shell layers and defines spacing | Diameter, finish, roll quality and pitch |
| Clip or loop | Connects product to belt or equipment | Width, ride height, angle and fastener pattern |
| Mounting plate | Interfaces with a larger system | Pattern, load, clearance and change method |
Define an adjustment range
“Adjustable” should not mean unlimited. The drawing or approved sample should define the usable range and prevent fasteners from becoming too short, protruding or losing engagement. Where needed, thread-locking strategy and service instructions should be documented.
Designing a reusable product platform
Brands can reduce inventory by standardizing screw families, spacers and hole patterns across related carriers. The best platform decisions preserve application-specific fit while sharing components that do not affect critical geometry.
Inspection considerations
- Correct component and finish
- Fastener engagement and orientation
- Adjustment movement without binding
- No sharp edges or hardware interference
- Fit and retention checked on the approved reference
Frequently asked questions
Can retention be measured as one universal number?
Not always. Test method, direction, speed, reference condition and mounting affect the result. The method should be written with the acceptance limit.
Can the same hardware serve carriers and sheaths?
Some fasteners and mounting interfaces can be shared, but spacing and load requirements should be validated for each product.
See CarryMold equipment carrier concepts or request a sample proposal.