137-2255
M8-1.25 x 20mm Carriage Bolt
M8-1.25 x 20 mm carriage bolt with anti-rotation square neck and thread-locking patch.
Description
Features a domed mushroom head paired with an 8.58 mm square neck that seats firmly into matching cutouts, locking the bolt in place so you can torque down the nut from one side without the shank spinning. Includes a pre-applied locking patch to…
Overview
Features a domed mushroom head paired with an 8.58 mm square neck that seats firmly into matching cutouts, locking the bolt in place so you can torque down the nut from one side without the shank spinning. Includes a pre-applied locking patch to prevent back-out under steady machine vibration.
Features
- Thread size: M8-1.25 x 20 mm
- Square shank width: 8.58 mm
- Pre-applied locking patch for vibration resistance
- Rated for 400-hour salt spray exposure
Applications
Structural framing, bracket mounting, and sheet metal assemblies with square or punched clearance holes where single-side access is needed during tightening.
Specifications
| Brand | Caterpillar |
|---|
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