Neoprene Washer Hillman 4334 Large 2-1/4″ OD x 1″ ID Black 4-Pack

Description

Product Overview

The Hillman 4334 large neoprene washer is engineered to meet the demanding requirements of industrial and scientific fastening applications. Constructed from high‑quality black neoprene, each washer offers excellent resistance to oils, greases, food‑grade acids, solvents, and a wide range of chemicals, ensuring a long service life even in harsh environments. With an outer diameter of 2.25 inches and an inner diameter of 1 inch, the washer provides a generous bearing surface that distributes load evenly, reducing the risk of fastener pull‑through and material deformation. The flat, plain finish simplifies installation while maintaining a secure seal. Packaged in a convenient 4‑pack, these washers are ready for immediate use in a variety of projects, from machinery maintenance to laboratory equipment assembly.

Usage

These neoprene washers excel in environments where exposure to liquids and chemicals is routine. They are ideal for sealing connections in hydraulic and pneumatic systems, protecting electrical components from moisture, and providing a reliable barrier in food processing equipment where hygiene and corrosion resistance are critical. The washers also perform well in automotive and aerospace applications, where vibration damping and temperature stability are essential. Whether you are assembling a pump, securing a valve, or reinforcing a bolt in a corrosive setting, the Hillman 4334 washer delivers consistent performance. Their black color helps conceal any staining from fluids, maintaining a clean appearance over time.

Why Choose Us

Choosing Hillman means selecting a brand with a legacy of quality and reliability in fastener components. Each washer undergoes rigorous testing to verify dimensional accuracy, material integrity, and resistance to compression set. The neoprene formulation is specifically designed to retain flexibility across a broad temperature range, from sub‑freezing conditions to elevated heat environments, without cracking or losing its sealing capability. Our manufacturing process adheres to strict industry standards, ensuring that every washer meets the specifications required for critical applications. Additionally, Hillman provides responsive customer support and a clear warranty policy, giving you confidence that your purchase is backed by a company that stands behind its products.

Key Features

• Superior chemical resistance protects against oils, greases, acids, and solvents, extending the life of your assemblies.
• Large 2.25″ outer diameter and 1″ inner diameter provide a broad bearing surface for enhanced load distribution.
• Flat, plain design simplifies installation while delivering a tight, leak‑free seal.
• Black neoprene construction prevents corrosion and resists staining, keeping equipment looking clean.
• Dedicated Hillman customer support ensures assistance and guidance for any post‑purchase needs.

FAQ

What temperature range can these neoprene washers withstand?

The washers are formulated to perform reliably from -40°F (-40°C) up to 250°F (121°C), maintaining flexibility and sealing integrity throughout this range.

Are these washers suitable for food‑grade applications?

Yes, the neoprene material is compatible with many food‑grade environments and resists common food‑processing chemicals, making it a safe choice for sanitary applications.

Can I use these washers with stainless steel fasteners?

Absolutely. The washers are designed to work with a variety of fastener materials, including stainless steel, providing a corrosion‑resistant barrier that protects both the fastener and the surrounding components.

How many washers are included in each package?

Each package contains four individual washers, allowing you to replace multiple fasteners or keep spares on hand for future maintenance.

What is the warranty coverage for these washers?

Hillman offers a standard limited warranty that covers manufacturing defects for a period of one year from the date of purchase, ensuring you receive a product that meets our quality standards.