Wedge Locking Washer Nord-Lock Carbon Steel Zinc Flake 3/8″ 200 Pack

Description

Product Overview

The Nord-Lock wedge locking washer is engineered to provide a superior combination of strength, durability, and corrosion resistance for demanding industrial environments. Constructed from high‑grade carbon steel, each washer undergoes a zinc flake coating process that creates a uniform, tightly bonded protective layer, significantly extending service life even in the presence of moisture, chemicals, or fluctuating temperatures. The 3/8 inch (approximately 9.5 mm) inner diameter is a standard size that integrates seamlessly with a broad spectrum of bolt and screw assemblies, while the 200‑piece bulk packaging ensures that manufacturers, maintenance teams, and procurement professionals have ample inventory on hand to meet ongoing production schedules and emergency repair needs.

Key specifications include a precise tolerance on the wedge geometry that guarantees consistent preload distribution across the joint, reducing the risk of loosening under cyclic loads. The washers are designed to work in pairs, creating a self‑locking action that eliminates the need for additional locking mechanisms such as lock nuts or thread‑locking compounds. This design philosophy not only simplifies assembly procedures but also reduces overall component count, leading to lighter, more efficient assemblies without compromising safety or performance.

In addition to the mechanical advantages, the zinc flake coating offers an environmentally friendly alternative to traditional hot‑dip galvanizing, delivering comparable corrosion protection while meeting stringent RoHS and REACH regulations. The coating process utilizes a low‑temperature curing method that preserves the mechanical properties of the underlying steel, ensuring that the washer retains its high tensile strength and fatigue resistance throughout its service life.

Usage

These wedge locking washers are ideally suited for a variety of heavy‑duty applications where vibration, shock, and dynamic loading are prevalent. Typical use cases include securing motor housings, gearboxes, pump assemblies, and structural steel connections in the automotive, aerospace, and heavy equipment sectors. Their self‑locking capability makes them a preferred choice for machinery that experiences frequent start‑stop cycles, as the washers maintain joint integrity without the need for periodic retightening.

Installation is straightforward: the washer is placed on the bolt shank, followed by a matching wedge washer of the same size. As the bolt is torqued, the wedges are forced together, creating a permanent lock that resists rotation. This process can be performed using standard torque wrenches, eliminating the need for specialized tools or training. The result is a reliable, repeatable fastening solution that reduces downtime and maintenance costs.

Beyond industrial machinery, the washers are also effective in construction projects such as steel framing, bridge components, and offshore platforms where exposure to saltwater and harsh weather conditions demands robust corrosion protection. Their compact design allows for easy integration into confined spaces, and the 200‑piece pack size supports large‑scale projects by providing a ready supply of parts, minimizing the risk of inventory shortages.

Why Choose Us

Choosing Nord-Lock means selecting a brand with a proven track record of engineering excellence and a commitment to quality that spans decades. Each batch of wedge locking washers undergoes rigorous testing, including tensile strength verification, corrosion resistance assessment, and dimensional accuracy checks, ensuring that every product meets or exceeds industry standards such as ISO 9001 and DIN 6885. Our manufacturing facilities employ state‑of‑the‑art coating technology and precision machining equipment, guaranteeing consistency across the entire production run.

We stand behind our products with comprehensive technical support and a responsive customer service team that can assist with selection, installation guidance, and troubleshooting. For customers requiring customized solutions, we offer flexible packaging options, private labeling, and the ability to tailor the coating thickness to meet specific environmental or performance criteria. This level of service, combined with our global distribution network, ensures that you receive the right product at the right time, wherever your operations are located.

In addition to product reliability, Nord-Lock is dedicated to sustainability. Our zinc flake coating process reduces waste and energy consumption compared to traditional galvanizing, aligning with corporate responsibility goals and helping customers achieve their own environmental targets. By partnering with us, you benefit from a product that not only performs exceptionally but also supports a greener supply chain.

Key Features

• High‑strength carbon steel core provides exceptional load‑bearing capacity.
• Zinc flake coating delivers superior corrosion resistance without compromising mechanical properties.
• Self‑locking wedge design eliminates the need for additional locking components.
• Standard 3/8″ size fits a wide range of bolts and fasteners for versatile application.
• Comprehensive after‑sales support ensures proper installation and long‑term performance.

FAQ

What is the difference between a wedge locking washer and a traditional lock washer?

A wedge locking washer uses a pair of specially shaped washers that create a locking action when the bolt is torqued, providing a permanent lock that resists vibration. Traditional lock washers rely on spring tension and can loosen over time under dynamic loads.

Can these washers be used with stainless steel bolts?

Yes, the wedge locking mechanism works with any compatible bolt material, including stainless steel. The zinc flake coating on the washer does not adversely affect the corrosion resistance of stainless steel fasteners.

Is the zinc flake coating environmentally compliant?

Absolutely. The coating process meets RoHS and REACH standards, offering a low‑environmental‑impact alternative to hot‑dip galvanizing while still providing excellent corrosion protection.

How do I determine the correct torque value for installation?

Torque specifications depend on the bolt size, material, and application requirements. Nord-Lock provides detailed torque tables in the product documentation, and our technical support team can help you select the appropriate value for your specific use case.

What warranty does Nord-Lock offer on these washers?

Nord-Lock offers a limited warranty that covers material defects and manufacturing errors for a period of one year from the date of purchase, ensuring you receive a reliable product backed by our confidence in its performance.