280558 - Miller .047 x .625 Zinc Plated Hair Cotter Pin

Genuine Miller 280558 Cotter Hair Pin for Welding Equipment

Maintain the integrity and reliability of your Miller welding equipment with the genuine Miller 280558 Cotter Hair Pin. This small but critical component is designed to secure shafts, clevis pins, and other mechanical linkages within your welding machine or wire feeder. Manufactured to Miller Electric's exacting standards, this hair pin style cotter ensures that your equipment operates safely and efficiently, preventing the accidental disengagement of moving parts during operation.

Precision Dimensions and Fitment

The Miller 280558 features a precise wire diameter of 0.047 inches and a length of 0.625 inches. These specific dimensions are engineered to fit designated retaining holes in Miller assemblies perfectly. Using non-OEM hardware with incorrect wire gauges can lead to loose fittings or installation difficulties. By choosing the authentic Miller part, you ensure a snug, vibration-resistant fit that keeps internal components aligned and functioning as intended.

Durable Zinc-Plated Finish

Industrial welding environments can be harsh, with exposure to humidity, fumes, and temperature fluctuations. This cotter pin is finished with a high-quality zinc plating. Zinc acts as a sacrificial anode, protecting the underlying steel from oxidation and rust. This corrosion resistance is vital for maintenance, ensuring that the pin does not seize in place over time and remains easy to remove when service is required. The bright zinc finish also makes the part easy to spot during inspections.

Convenient Hair Pin Design

Unlike traditional split cotter pins that require bending and are often single-use, the hair pin (or R-clip) design of the Miller 280558 utilizes spring tension to hold itself in place. This design allows for rapid installation and removal by hand or with simple pliers, significantly reducing downtime during repairs or routine maintenance. Whether you are replacing a drive roll or servicing a linkage, this reusable pin offers convenience without sacrificing security.

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