Best Retaining Washers for Shafts: Top Bolts and Clips for ATVs and Machinery
This guide highlights five top-performing retaining washers, bolts, and related hardware used to secure shafts in light industrial, automotive, and ATV applications. Each selection emphasizes durability, corrosion resistance, and precise fit to prevent loosening under dynamic conditions. Read on to compare options designed for Can-Am ATVs and similar drivetrains, and to learn how to choose the right kit for your maintenance needs.
| Product | Brand | Key Fit | Notes |
|---|---|---|---|
| WOWYZL Rear Drive Shaft Retaining Bolt Set with Washer | WOWYZL | Can-Am ATVs (M12x16, M10x16) | Rust- and wear-resistant; tested for compatibility |
| NEIKO 50455A E-Clip Assortment Set | NEIKO | Various shaft fasteners; broad size range | High-carbon steel; anti-walk features |
| KIPA Drive Shaft Retaining Bolt Set | kipa | Can-Am ATV (M12x16, M10x16) | Direct-fit, precise machining |
| AXK 120/200 PCS E Clip Washer Assortment | AXK | For a wide range of shaft fasteners | Stainless steel; multiple sizes |
| HELIFOUNER 360 Pieces Star Lock Washers Kit | HELIFOUNER | Internal tooth star washers in 9 sizes | 65Mn steel; robust corrosion resistance |
Selecting the right kit depends on your shaft diameter, thread size, and the need for anti-rotation features. The following five products are representative of common configurations used to secure driveline components in ATVs and machinery, offering a mix of bolt-and-washer sets, clip assortments, and star washer options.
Product Selections At A Glance
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The following sections provide concise details on five widely used retaining hardware sets, with direct links to each Amazon listing for quick reference.
WOWYZL Rear Drive Shaft Retaining Bolt Set

WOWYZL’s set includes two commonly used sizes for Can-Am ATVs: M12x16 and M10x16, with matching washers. The kit is described as made from extra sturdy material designed to resist rust and wear. It is marketed as a replacement part tested for compatibility and reliable operation under varied weather conditions, making it suitable for outdoor, rugged environments typical of ATVs and off-road equipment.
NEIKO 50455A E-Clip Assortment Set

This 300-piece E-clip and retaining clip assortment covers 9 SAE sizes, with heat-treated external retaining rings and anti-walk washers. The kit is designed to secure components onto shafts with grooves, helping prevent loosening during operation. High-carbon steel construction provides rugged durability for mechanical assemblies exposed to vibration and motion.
KIPA Drive Shaft Retaining Bolt Set

KIPA offers a two-size kit (M12x16 and M10x16) with washers, designed for direct fit on Can-Am ATVs. The product highlights focus on precision machining for accuracy and ease of use, ensuring a straightforward installation process. This makes it a practical option for owners performing routine driveline maintenance or part replacements.
AXK E Clip Washer Assortment Kit

AXK provides a broad assortment of E clips and retaining rings in 120/200 piece configurations, with sizes ranging from 1.5 mm to 10 mm. The kit is made from stainless steel and is suitable for various shaft applications requiring reliable retention. It is positioned as a versatile replacement option for household and shop tasks.
HELIFOUNER Star Lock Washers Kit

This HELIFOUNER kit includes 360 pieces across 9 sizes of internal tooth star lock washers, plus push nuts and retaining clips. Made from 65Mn steel with a black oxide finish, these washers provide spring force and higher friction to resist rotation between fastener heads and substrates, aiding in secure assemblies in vibration-prone environments.
HanTof Internal Tooth Starlock Washers Set

The HanTof kit offers seven sizes (M3 to M12) with 320 pieces total. Constructed from 65Mn steel with a black oxide finish, these washers aim to deliver corrosion resistance and durable fastening performance suitable for shaft and stud applications in machinery.
Labwork Drive Shaft Retaining Bolt Set

Labwork’s kit includes M10x16 retaining bolts with washers, designed as a direct replacement for 250200014, 250000615, 250200102, and 250000359 driveline components. Described as easy to install with good materials, this option emphasizes straightforward maintenance compatibility for Can-Am and similar drivetrains.
Buying Guide
When choosing retaining hardware for shaft assemblies, consider:
- Compatibility and sizing: Verify thread diameters (e.g., M10, M12) and shaft groove dimensions to ensure a proper fit.
- Material and finish: Stainless steel, carbon steel, and coatings like black oxide affect corrosion resistance and wear performance in outdoor or high-humidity environments.
- Locking mechanism: E-clips, circle clips, star washers, and bolts with washers each provide different retention and anti-rotation properties; select based on vibration, torque, and load requirements.
- Installation ease: Some kits include tools or tweezers; others require standard hardware tools. Consider whether you need ready-to-install sets or modular components to customize.
- Application context: ATV drivetrains, industrial shafts, and machinery vary in duty cycle; prioritize kits tested or designed for similar use cases as your project.
- Maintenance and replacement cycle: Choose durable options with broader size coverage if you anticipate frequent part replacements or retrofits.
For optimal results, match the kit to your specific shaft dimensions, ensure correct torque specifications, and inspect retaining hardware for signs of wear or corrosion during routine maintenance. Comprehensive kits offer a balance of common sizes and fasteners, reducing the need for multiple separate purchases.
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