Large Flat Washer - M6 - 6mm - Pack of: 50 - Silver - DIN 9021

These zinc galvanised steel washers are commonly used in construction, carpentry, and general engi...

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OnBuy.comPenny Washers Din 9021 Form G Bright Zinc Plated Steel Large Repair Mudguard Fender Washers M4 To M30 5056523234014
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B&QB&Q - Large Flat Washer M66mm ( Pack Of: 50 ) Form G Zinc Galvanised Steel Penny Washers Din 9021
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Product Information

Full details

This guide is for construction professionals, carpenters, and engineers seeking robust fastening solutions. The key benefit is enhanced load distribution and surface protection in heavy-duty applications. A potential caveat is their specialized larger size, which may not be suitable for all standard tasks. These zinc galvanised steel washers, conforming to DIN 9021 standards, are designed with a large outside diameter (Form G) to distribute fastener loads over a wider area, preventing material damage and ensuring secure connections. Their durable, corrosion-resistant coating makes them ideal for diverse environments and demanding projects.

All features

ColourSilver
Model Part NumberDIN 9021
BrandSS8

Extended Product Information

FAQs

What is the primary purpose of a large flat washer like the DIN 9021?

The primary purpose is to distribute the load of a screw or fastener over a larger surface area. This prevents damage to the material being fastened, such as crushing or tearing, and ensures a more secure connection.

What does 'Form G' mean for these washers?

Form G refers to a type of flat washer characterized by its larger outside diameter compared to standard washers, maximizing the bearing surface.

Are these washers suitable for outdoor use?

Yes, the zinc galvanised coating provides excellent resistance to corrosion, making them well-suited for outdoor construction and engineering applications where exposure to moisture is expected.

What size fastener is this M6 washer intended for?

This M6 washer is designed for use with M6 sized bolts and screws, which have a nominal diameter of 6mm.

How do I clean these washers?

To clean the washers, simply wipe them with a dry or slightly damp cloth. Avoid using abrasive cleaners or harsh chemicals to preserve the galvanised coating.

What standards do these washers comply with?

These washers comply with DIN 9021, ISO 7093, and PN-M 82030 standards, ensuring their specifications meet international requirements.

Can these washers be used with materials other than wood?

Yes, their versatility allows them to be used with various materials, including metal, plastic, and composites, wherever load distribution and surface protection are needed.

Troubleshooting

Washer does not fit the fastener.

Ensure the washer's intended metric size (M6 in this case) matches the fastener's thread size. Check for any debris or damage within the washer's central hole.

Corrosion appears on the washer surface.

While galvanised coatings are durable, extreme environments can eventually lead to minor surface corrosion. Ensure the washer was properly stored and used according to its intended application. For critical applications, monitor and replace if significant degradation occurs.

Washer spins with the fastener during tightening.

This typically indicates the fastener is not securely seated or the material being fastened is too soft. Ensure the fastener is properly threaded and that the washer is providing sufficient clamping force. Using a second washer or a locking mechanism might be necessary if the material is yielding.

Pros and Cons

Pros

  • Superior load distribution protects surfaces from damage.
  • Durable zinc galvanised coating offers excellent corrosion resistance.
  • Suitable for heavy-duty construction and engineering applications.
  • Enhances the security and longevity of fastened connections.
  • Versatile use across various industrial and woodworking projects.

Cons

  • Larger size may be overkill for light-duty tasks.
  • Can be bulkier than standard washers, potentially affecting aesthetics or clearance.
  • Requires appropriate fastener size to maintain effective load distribution.
  • Not suitable for applications requiring minimal surface contact.

Setup, Compatibility & Care

Setup: These washers are designed for direct application. Simply place the washer onto the bolt or screw shaft before inserting it through the material you wish to fasten. Ensure the washer's large diameter covers the intended surface area adequately.

Compatibility: These M6 washers are designed for use with M6 threaded fasteners (bolts and screws). They are compatible with a wide range of materials including wood, metal, and plastics. Their specifications (DIN 9021, ISO 7093) ensure compatibility with fasteners and components adhering to these standards.

Care: Due to their zinc galvanised coating, these washers are inherently resistant to corrosion. However, to maximize their lifespan, it is recommended to store them in a dry environment. Avoid prolonged exposure to harsh chemicals or highly acidic/alkaline conditions. If cleaning is necessary, a simple wipe with a dry or slightly damp cloth is sufficient. Do not use abrasive cleaners.

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