m4 flat washer dimensions pricelist

Understanding M4 Flat Washer Dimensions and Pricing

Flat washers play a crucial role in a variety of mechanical applications, providing support and distributing load in fastener assemblies. Among the different sizes available, M4 flat washers are particularly common due to their versatility in numerous industrial and domestic settings. This article will focus on the dimensions and pricing of M4 flat washers, which can help in making informed purchasing decisions.

Dimensions of M4 Flat Washers

M4 flat washers are designed to fit M4 screws and bolts, which have a nominal diameter of 4mm. The specifications of M4 flat washers can vary slightly depending on the material and application. Generally, the dimensions are as follows

- Inner Diameter (ID) Approximately 4.3 mm. This slight increase in diameter accommodates the screw or bolt, allowing for easy installation without getting stuck. - Outer Diameter (OD) Typically around 10 mm. The larger outer diameter helps distribute the load across a broader area, reducing the risk of damage to the materials being fastened. - Thickness Usually ranges from 0.5 mm to 2 mm, depending on the application requirements. Thicker washers are used in applications requiring greater load distribution, while thinner washers can suffice for lighter duties.

It's essential to ensure that the chosen washer has dimensions that are compatible with both the fastener and the materials being joined to achieve optimal performance.

Pricing of M4 Flat Washers

The price of M4 flat washers can vary widely based on several factors, including the material, finish, and quantity. Common materials used in the production of flat washers include

1. Steel Black and zinc-plated steel washers are the most affordable options, typically ranging from $0.01 to $0.10 per piece when purchased in bulk. 2. Stainless Steel These washers offer superior corrosion resistance, making them ideal for outdoor or marine applications. Prices generally range from $0.05 to $0.30 per piece. 3. Plastic Often used for lightweight applications or insulation, plastic washers can range from $0.02 to $0.15 per piece depending on the type of plastic and durability.

When purchasing M4 flat washers, consider buying in bulk to take advantage of lower prices per unit. Many suppliers also offer discounts for larger orders, making it cost-effective to stock up on these essential components.

Conclusion

M4 flat washers are indispensable in various fastening applications, and understanding their dimensions and pricing can help you choose the right product for your needs. By considering the material, size, and quantity, you can ensure you’re making a smart purchase that meets your project requirements effectively. Whether you’re a hobbyist or a professional, having the right flat washers on hand can make all the difference in your assembly work.