CLAMP

The W1138 clamp is designed to securely hold wheel studs in place, minimizing vibrations and enhancing wheel stability. It is made from durable, rust-resistant materials, often ductile iron, suitable for harsh environmental conditions.
Manufacturer: Primarily associated with Gunite (an Accuride brand), but also available as aftermarket parts from brands like Automann and TWD.
Application: Axle application is for drive axles.
Dimensions:
Standout (A Dimension): 1.38 inches (3.5 cm).
Height (C Dimension): 2.36 – 2.38 inches (6.0 – 6.05 cm).
Width (B Dimension): 2.8 – 2.88 inches (7.1 – 7.3 cm).
Hole I.D. (Rim Stud Diameter): 0.75 inches (1.9 cm).
Weight: The finished weight is approximately 0.9 lbs (0.4 kg) to 10.6 lbs (4.8 kg) depending on specific variant/manufacturer.
Cross Reference: It is considered the ductile equivalent of the Gunite W846 clamp and also replaces the OE number E5904A.