



260-Piece Spring Axial Lock Washer Assortment Set, M3–M12 Alloy Steel
Professional-grade spring lock washer kit with 7 metric sizes in organized storage—essential for vibration-resistant fastening across industrial applications.
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260-Piece Spring Axial Lock Washer Assortment Set
Brief Overview
This comprehensive spring axial lock washer kit delivers 260 precision-engineered fasteners across seven metric sizes, purpose-built to prevent loosening in high-vibration environments. Designed for professional mechanics, maintenance technicians, and industrial assembly operations, this assortment eliminates repeated trips to the supplier and ensures job continuity on the bench. The organized compartment storage keeps inventory visible and accessible, reducing downtime and material waste. When paired with complementary solutions like precision washer assortments, this kit forms a complete fastening strategy for any professional shop.
Key Features
- Seven metric sizes (M3 through M12) covering the most common fastening applications
- 260 total pieces pre-sorted by size and quantity in a transparent plastic organizer
- Alloy steel construction with black oxide finish for corrosion resistance
- Internal star-tooth design grips the fastener shank to resist vibration-induced loosening
- Printed compartment chart on the organizer lid showing size specifications and piece counts
- Snap-closure case with dividers—professional presentation suitable for retail or job-site use
Technical Specifications
| Size | Hole Diameter | Length | Pieces |
|---|---|---|---|
| M3 | 3mm | 10mm | 30 |
| M4 | 4mm | 12mm | 30 |
| M5 | 5mm | 14mm | 40 |
| M6 | 6mm | 14mm | 50 |
| M8 | 8mm | 18mm | 50 |
| M10 | 10mm | 20mm | 40 |
| M12 | 12mm | 25mm | 20 |
| Total | — | — | 260 |
Material: Alloy steel with black oxide coating
Finish: Dark-coated corrosion-resistant surface
Packaging: Clear plastic organizer with labeled compartments and snap closures
Business Advantages for Resellers
- Complete size range eliminates customer returns for "missing sizes"—M3 to M12 covers 95% of routine fastening work
- Transparent organizer is shelf-ready; the printed lid chart serves as a built-in merchandising tool
- High-visibility inventory reduces shrinkage; customers can see exactly what's in stock
- Professional presentation justifies fair margins and encourages repeat orders
- Assembly shop staple—mechanics stock these for routine maintenance, electrical work, and industrial assembly tasks
- Bulk order incentive—encourage customers to buy multiple kits for branch locations or fleet operations
Why This Matters on the Bench
Spring axial lock washers work by engaging the fastener shank with internal star-shaped teeth. Unlike traditional flat washers, they prevent rotational loosening caused by vibration, thermal cycling, and repeated fastening/unfastening cycles. This is critical in:
- Engine assembly and suspension work where vibration is constant
- Industrial machinery experiencing shock loads or continuous operation
- Electrical connections where loose fasteners can cause arcing or equipment failure
- Shock absorption and isolation applications in mechanical systems
The organized kit format means your customers spend less time hand-picking assorted sizes from bulk bins and more time finishing jobs on schedule.
Call to Value
This 260-piece assortment is the fastener equivalent of a core hand tool—shops that stock it once rarely run out, and the convenient compartment system encourages repeat purchases when inventory depletes. Position this as an essential restocking item for any professional who values uptime and reliability over penny-pinching on fasteners.