Product Description

Our High-Performance Tab Washers are precision-engineered locking components specifically designed for semi-trailer wheel end applications. These critical safety devices provide positive locking for axle nuts, preventing dangerous loosening that can lead to wheel separation. Manufactured from hardened steel with laser-cut precision, our tab washers exceed OEM specifications for durability and reliability in heavy-duty operations.

Product Classification

Category

Wheel End Fastening Components

Application

Tandem and tridem axle groups

Hub-piloted wheel systems

Steer and trailer axle positions

Compatibility

Standard sizes for 1-1/4" to 2" axle nuts

Fits Meritor, Dana, and SAF axle systems

Technical Features

Premium Material Construction

SAE 1050 carbon steel, heat-treated to RC 38-42

Zinc-plated or phosphate-coated corrosion protection

Precision Engineering

Laser-cut tabs for perfect fitment (±0.002" tolerance)

Multiple tab configurations (8,10,12 tab designs)

Enhanced Safety Design

Positive-lock "click" engagement system

Directional arrows for proper installation

Durability Features

Anti-fracture radiused corners

Wear-resistant numbering system

Key Benefits

✔

Wheel Security - Eliminates nut rotation with 100% positive lock

✔

Vibration Resistance - Tested to 1 million vibration cycles

✔

Corrosion Protection - 500+ hour salt spray resistance

✔

Easy Installation - Pre-scored tabs bend with hand tools

✔

OEM Compliance - Meets AAR M-913 and FMVSS standards

Technical Specifications Table

Parameter	Standard Grade	Premium Grade
Material Thickness	3.0mm	4.0mm
Hardness	RC 38-42	RC 40-44
Temperature Range	-40°F to 300°F	-40°F to 400°F
Working Load	25,000 lbs	35,000 lbs
Surface Treatment	Zinc Plated	Dacromet Coated