Tension Link Bolts & Retainers
Specialized fastening hardware designed exclusively for tension link mounting. Standard hardware bolts are not compatible — these dedicated bolts and retainers ensure correct engagement, noise reduction, and long service life.
Products (3 Series)

Special Tension Link Bolts with Urethane Wrap Option
Special tension link bolts with urethane wrap option for tension link assemblies. Urethane retainer protection helps ...
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Tension Link Retainers Single Flange
Tension Link Retainers for single flange assemblies, supplied as retainer only or retainer with bolt. Optional uretha...
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Double Flange Tension Link Retainers
Double Flange Tension Link Retainers for securing tension link systems with stable retention. Choose retainer only or...
View DetailsBolt vs Retainer — How to Choose
| Criteria | Urethane Bolt | Single Flange Retainer | Double Flange Retainer |
|---|---|---|---|
| Function | Bolt + cushioned engagement | Retention flange (one side) | Retention flange (both sides) |
| Noise Level | Low (urethane absorbs impact) | Standard | Standard |
| Mounting | Through oval hole, threaded into plate | Over bolt, against link face | Over bolt, flanges on both faces |
| Best For | All tension link installations | Plate-sandwiched links | Edge-mounted or exposed links |
Compatibility Reference
Tension Link (any type)
Match bolt diameter to link hole width. Match retainer to link thickness.
1× Urethane Bolt + 1× Retainer per hole
One bolt passes through each oval hole. One retainer secures the bolt from the opposite side.
Frequently Asked Questions
What is the purpose of the urethane wrap on tension link bolts?+
When should I use a single flange retainer vs a double flange retainer?+
Are these bolts compatible with non-MISUMI tension links?+
Engineering Resources
What Is the Difference Between Single Flange and Double Flange Tension Link Retainers
Selection criteria and mounting configurations for single vs double flange retainers.
Why Urethane-Wrapped Bolts Extend Tension Link Service Life
Impact absorption analysis and service life comparison with standard bolts.
Need a Custom Quote?
Specify bolt diameter, thread pitch, urethane hardness, and retainer type (single/double flange). Match to your tension link model for guaranteed compatibility.