Wedge Locking Washers – Dacromet, Vibration Resistant Safety Washers for Industrial Machinery, Construction Equipment & Maintenance (1/2″ Bolts Enlarged Outer Diameter,8)

Description

Product Overview

The Dacromet wedge locking washer is engineered to deliver unmatched reliability in the most demanding environments. Featuring a patented double‑layer self‑locking mechanism, each washer creates irreversible friction that prevents bolt rotation even under extreme vibration, heavy loads, or rapid temperature changes. The core is forged from high‑strength steel, then treated with a zinc‑flake coating that provides superior corrosion resistance while maintaining excellent electrical conductivity. This combination of mechanical and chemical protection ensures a long service life, reducing the need for frequent re‑torquing or replacement.

Designed to meet DIN25201 standards, these washers are compatible with a broad spectrum of fastener diameters—from the tiny M3 for precision electronics up to the massive M56 for heavy‑duty construction machinery. The enlarged outer diameter on selected sizes improves load distribution, minimizing stress on the mating surface and extending the lifespan of both the washer and the connected component. Each unit is precision‑machined to tight tolerances, guaranteeing a consistent fit that eliminates gaps and uneven pressure points.

Usage

These washers excel in a variety of industrial applications. In automotive manufacturing, they secure drivetrain bolts where constant torque fluctuations occur, preventing loosening that could lead to catastrophic failure. In CNC machine bases, the self‑locking action maintains alignment and precision, even when the equipment experiences high‑frequency vibrations. Construction equipment such as excavators, bulldozers, and cranes benefit from the washers’ ability to hold fasteners securely despite the harsh, dusty, and wet conditions typical on job sites.

Maintenance teams appreciate the ease of installation—no special tools are required beyond a standard torque wrench. The washers can be used on steel, aluminum, and composite structures, making them a versatile choice for repair and retrofit projects. Because the zinc‑flake coating resists rust, the washers are also suitable for marine and offshore applications where exposure to saltwater accelerates corrosion.

Why Choose Us

Choosing Dacromet means selecting a partner committed to quality and performance. Our manufacturing process incorporates rigorous testing at every stage, from raw material inspection to final dimensional verification. Each batch undergoes vibration endurance testing that simulates real‑world operating conditions, ensuring the self‑locking feature performs as advertised.

We stand behind our product with a comprehensive warranty and responsive technical support. Our engineering team is available to assist with sizing, installation guidance, and troubleshooting, helping you achieve optimal results without costly trial and error. Additionally, our inventory management system guarantees rapid fulfillment, so you receive the exact size and quantity needed for your project timelines.

Key Features

• Self‑locking double‑layer design eliminates bolt loosening under vibration.
• Zinc‑flake coating provides long‑term corrosion resistance in harsh environments.
• Wide size range from M3 to M56 covers 98% of industrial fastener needs.
• Enlarged outer diameter options improve load distribution and surface protection.
• Dedicated technical support and warranty ensure confidence and peace of mind.

FAQ

What makes wedge locking washers different from standard lock washers?

Wedge locking washers use a tapered wedge mechanism that creates permanent friction between the washer and bolt head, whereas standard lock washers rely on spring‑type teeth that can lose effectiveness over time.

Can these washers be used on non‑metallic substrates?

Yes, the washers are compatible with plastic and composite materials, provided the bolt torque is within the recommended range to avoid crushing the substrate.

How does the zinc‑flake coating compare to plain zinc plating?

Zinc‑flake coating offers a denser, more uniform layer that provides superior corrosion protection and better adhesion than traditional hot‑dip zinc plating.

Are the washers reusable after removal?

While the self‑locking feature remains effective after removal, it is recommended to inspect the washer for any deformation before reuse to ensure optimal performance.

What is the recommended torque setting for these washers?

Torque values depend on bolt size and material; refer to the accompanying torque chart or consult our technical support for precise recommendations.