4D-3487
FLAT WASHER
Hardened structural flat washer.
Description
Spreads bolt clamping force evenly over the mating surface, keeping bolt torque from embedding the fastener head into softer metals. Prevents joint relaxation and loss of preload in structural connections. Meets or exceeds ISO, ASTM, ASME, and SAE…
Overview
Spreads bolt clamping force evenly over the mating surface, keeping bolt torque from embedding the fastener head into softer metals. Prevents joint relaxation and loss of preload in structural connections.
Features
- Meets or exceeds ISO, ASTM, ASME, and SAE fastener specs
- RoHS compliant protective surface coating
- Sized to maintain bolt preload without cupping
Applications
- High-torque bolted joints across structural frames
- brackets
- powertrain mounts
Specifications
| Brand | Caterpillar |
|---|
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