304 Stainless Steel Spring Lock Washer Assortment Box with 900 Pieces for 2-12mm Bolts

This comprehensive combination box is designed for tradespeople, mechanics, and serious DIYers who require a reliable and versatile selection of spring lock washers. It eliminates the guesswork and inconvenience of sourcing individual packs for different jobs, providing a broad spectrum of sizes in one organised kit. The 900-piece assortment, made from 304 stainless steel, is engineered to help prevent fastener loosening caused by vibration, offering a practical solution for automotive repairs, machinery maintenance, and general fabrication projects. The inclusion of a dedicated storage box ensures all components remain sorted and easily accessible in a workshop, garage, or tool kit.

Features and Construction

This kit is built around utility and durability, with its specifications tailored for common fastening tasks. The core value lies in its extensive range and the material properties of the components.

Material and Build

Every washer in this 900-piece assortment is fabricated from 304 stainless steel. This specific grade is an austenitic alloy known for its formability and good corrosion resistance, making it a practical choice for applications exposed to moisture, humidity, or mild chemicals. It performs better than standard carbon steel in environments where rust would be a concern, though it is not a specialised marine-grade alloy. The spring lock design features a split-ring construction that applies a continuous force against the nut and bolt head, which helps maintain clamping force under dynamic loads.

Size and Practical Fit

The assortment provides substantial coverage for common bolt sizes. The washers have an inner diameter (ID) range from 2mm to 12mm, designed to fit snugly onto the shank of a correspondingly sized bolt. The outer diameter (OD) correspondingly ranges from 2.4mm to 13mm, providing the necessary bearing surface. Thickness varies from 1mm to 6.2mm across the set, with thicker washers typically intended for larger diameter bolts where greater spring force may be required. The product information specifies an 'applicable diameter' of 2mm to 12mm, guiding users to match the washer to bolts within this spectrum.

Uses and Placement

The primary function of a spring lock washer is to resist loosening, making this assortment relevant for a wide array of mechanical and construction scenarios.

Event or Professional Use

In professional settings like automotive workshops or manufacturing facilities, this kit serves as a convenient bulk supply for technicians. It is suitable for reassembling engines, securing body panels, mounting equipment, and general machinery repair where vibration is a constant factor. The corrosion resistance of 304 stainless steel adds value in automotive contexts where exposure to road salts, oils, and coolants is common, helping to ensure the fasteners remain serviceable and easier to remove during future maintenance.

Everyday Home Use

For the home mechanic or improvement enthusiast, this assortment tackles projects from repairing garden machinery and bicycles to building shelving units or securing play equipment. Having multiple sizes on hand means a project is rarely delayed for lack of the correct washer. The stainless steel construction is also beneficial for outdoor applications like securing fence panels, assembling patio furniture, or repairing gate hinges, where weather resistance extends the functional life of the fastener.

Benefits and Buying Value

Purchasing this combination box offers advantages over buying individual packets, focusing on convenience, preparedness, and material suitability.

Reuse and Low Maintenance

The 304 stainless steel construction contributes to the potential for reuse, as the washers are less prone to seizing or corroding onto bolts. This can simplify disassembly for repairs or adjustments. The storage box keeps the assortment organised, preventing loss and making inventory easy, which supports efficient reuse across multiple projects over time. The material itself requires no specific maintenance or protective coatings.

Why Choose This Product

This product stands out for its specific combination of scale and specification. The 900-piece count in a single organised package provides exceptional coverage for its stated size range, reducing the frequency of resupply trips. The choice of 304 stainless steel adds a layer of practical, supported durability for applications beyond dry indoor use. It is a functional, no-frills kit that addresses the core need for a reliable, versatile, and corrosion-resistant assortment of spring lock washers for bolts from 2mm to 12mm in diameter.