The WLB12×138 Conical Head Wheel Bolt (1/2" × 1-3/8") is a precision wheel fastener designed to securely mount wheels to hubs in automotive, trailer, and equipment applications. Featuring a 1/2" thread diameter and 1-3/8" length, this bolt uses a conical (tapered) seat design that centers the wheel properly while providing strong clamping force. Built from high-strength steel, it is engineered to withstand the stresses of wheel mounting and repeated tightening during service and maintenance.
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Key Features / Specifications
Ideal For