Description
h2>Product Overview
The Ridgid 18983 M8 Conical Spring Washer is engineered for demanding industrial applications. Made from high-grade alloy steel with a zinc finish, it offers superior strength and corrosion resistance. Its conical spring design provides consistent clamping force and prevents loosening under vibration. With an 8 mm diameter and flat head style, it fits standard M8 fasteners and is compatible with metric systems. Manufactured in the United States, this washer is ideal for plumbing, mechanical, and construction projects requiring precision and reliability.
Usage

This washer is commonly used in industrial and scientific settings, including plumbing installations, machinery assembly, and structural fastening. It is suitable for professionals and DIYers working with metric fasteners in environments where vibration resistance and load distribution are critical. Its compact size and durable finish make it ideal for tight spaces and high-stress applications.
Why Choose Us
We offer genuine Ridgid products with consistent quality and performance. Each washer is manufactured to precise specifications, ensuring compatibility and reliability. The zinc finish provides long-term corrosion resistance, while the conical spring design enhances load distribution and vibration resistance. Our inventory is stocked for immediate delivery, and we provide reliable customer support for any questions or issues.
Key Features
- High-strength alloy steel construction for durability and load-bearing capacity
- Zinc finish provides corrosion resistance for long-term performance
- Conical spring design ensures consistent clamping force and vibration resistance
- Flat head style fits standard M8 fasteners and metric systems
- Manufactured in the United States with precise tolerances for reliable fit and function
FAQ
What is the material of this washer?
We offer genuine Ridgid products with consistent quality and performance. Each washer is manufactured to precise specifications, ensuring compatibility and reliability. The zinc finish provides long-term corrosion resistance, while the conical spring design enhances load distribution and vibration resistance. Our inventory is stocked for immediate delivery, and we provide reliable customer support for any questions or issues.
Key Features
- High-strength alloy steel construction for durability and load-bearing capacity
- Zinc finish provides corrosion resistance for long-term performance
- Conical spring design ensures consistent clamping force and vibration resistance
- Flat head style fits standard M8 fasteners and metric systems
- Manufactured in the United States with precise tolerances for reliable fit and function
FAQ
What is the material of this washer?
- High-strength alloy steel construction for durability and load-bearing capacity
- Zinc finish provides corrosion resistance for long-term performance
- Conical spring design ensures consistent clamping force and vibration resistance
- Flat head style fits standard M8 fasteners and metric systems
- Manufactured in the United States with precise tolerances for reliable fit and function
FAQ
What is the material of this washer?
What is the material of this washer?
This washer is made from alloy steel with a zinc finish, providing strength and corrosion resistance for industrial applications.
What is the size of this washer?
The washer has an 8 mm diameter and is designed for M8 fasteners, compatible with metric systems.
Is this washer suitable for outdoor use?
Yes, the zinc finish provides corrosion resistance, making it suitable for outdoor and humid environments.
What is the head style of this washer?
The head style is flat, which allows for flush mounting and compatibility with standard fasteners.
Where is this product manufactured?
This product is manufactured in the United States, ensuring quality control and consistent performance.


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