DYNAPEX
0 ratings
10/pk 5/16 or 8 mm ID - COPPER CRUSH WASHERS for M8 Metric or Banjo Bolt
genuine image
10/pk 5/16 or 8 mm ID - COPPER CRUSH WASHERS for M8 Metric or Banjo Bolt
10/pk 5/16" or 8 mm ID - COPPER CRUSH WASHERS for M8 Metric or Banjo Bolt
Item #: 38938621

10/pk 5/16" or 8 mm ID - COPPER CRUSH WASHERS for M8 Metric or Banjo Bolt

Item #: 38938621

IMP 33

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Monday, September 07
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Copper Material
Made from high-quality copper, these washers ensure excellent sealing performance and durability, outperforming traditional materials in temperature resistance and corrosion, beneficial for various automotive and plumbing applications.
Versatile Fit
Designed specifically for M8 metric or banjo bolts, these washers provide a perfect fit, reducing the risk of leaks and ensuring optimal functioning in hydraulic and brake systems, enhancing overall safety.
Pack Quantity
With 10 washers per pack, this economical option provides ample supply for multiple projects, making it a cost-effective choice for both professionals and DIY enthusiasts looking to maintain or repair threaded connections.

Product Details

Shop for high-quality copper crush washers for M8 Metric or Banjo Bolt. Get 10pk 516" or 8 mm ID washers at Ubuy Isle of Man.
Outside Diameter12 millimeters
Fastener SizeM8
Item Thickness1 millimeters
Size Name12 millimeters
Item Weight1 ounces (28.35 grams)
Number of Pieces10
Item Diameter8 millimeters
Compatible Groove Diameter8 millimeters
Material TypeCopper
Exterior FinishCopper Crush
Metal TypeCopper
Finish TypesCopper Crush
Washer TypeFlat
Washer CompatibilityBanjo bolts, M8 bolts
Screw Head StyleFlat
Thread SizeM8
Fastener TypeFlat Washer
BrandDYNAPEX
UPC600186581920
ManufacturerDynapex
Unit Count10 Count
Number Of Items10
Part Numberz12_08_10
Set Name10
ColorBronze
MaterialCopper

Who Should Buy?

Suitable For
  • Mechanics and Technicians

    Ideal for mechanics needing reliable sealing on M8 metric applications, ensuring durability and optimal performance.

  • Automotive Enthusiasts

    Perfect for car enthusiasts working on brake or fuel systems where banjo bolts require dependable sealing solutions.

  • Home Repair Projects

    Useful for DIYers and homeowners tackling plumbing or automotive repairs, seeking reliable sealing options.

Not Suitable For
  • Non-Metric Applications

    Not suitable for projects requiring washers outside M8 metric specifications, limiting its usability.

Product Description

10/pk 5/16" or 8 mm ID - COPPER CRUSH WASHERS for M8 Metric or Banjo Bolt

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are copper crush washers used for?

    Answer: Copper crush washers are typically used in automotive, plumbing, and general mechanical applications to create a sealed joint between two surfaces. When a bolt is tightened, the washer compresses, forming a seal that prevents leakage of fluids or gases. This is particularly valuable in applications involving M8 metric or banjo bolts where maintaining pressure and preventing leaks is crucial.
  • Question: Why choose copper over other materials for crush washers?

    Answer: Copper crush washers are preferred for their excellent sealing properties and resistance to corrosion. Copper can handle high temperatures and pressures, making it ideal for critical applications like hydraulic systems or fuel connections. Additionally, it ensures a tight seal that won’t deform under pressure, which is essential for reliable operation over time.
  • Question: Can I use these washers in high-temperature environments?

    Answer: Yes, copper crush washers are suitable for high-temperature environments. Copper's thermal conductivity enables it to endure extreme heat without losing its structural integrity, making it ideal for use in engines or brake systems where high temperatures are generated. Their ability to maintain a reliable seal under these conditions enhances their functionality in demanding applications.
  • Question: How do I install copper crush washers correctly?

    Answer: To install copper crush washers, first clean the surfaces where the washer will be placed to ensure a proper seal. Position the washer on the bolt, followed by the component you’re securing. When tightening, ensure even pressure to compress the washer fully, ensuring a tight seal. This method is crucial for achieving maximum sealing effectiveness and preventing leaks.
  • Question: Are these copper crush washers reusable?

    Answer: Copper crush washers are typically designed for single-use applications. When compressing the washer during installation, it deforms to create a seal, and while it may appear reusable, its effectiveness is compromised once installed. For optimal performance, it is recommended to replace the washer each time you reassemble the joint for a leak-free seal.
  • Question: What sizes are available for these copper washers?

    Answer: The 10pk 516 or 8 mm ID copper crush washers specifically cater to M8 metric or banjo bolts. This size is ideal for various automotive and hydraulic applications. Additionally, they can fit standard metric threads commonly found in many vehicles, ensuring versatility in multiple settings, from DIY repairs to professional mechanical work.
  • Question: What does the '10pk' signify in the product title?

    Answer: The '10pk' in the product title signifies that this product package includes ten individual copper crush washers. This bulk packaging is advantageous for mechanics or DIY enthusiasts who frequently perform repairs requiring washers, providing the convenience of having multiple washers on hand without needing to reorder every time they are needed.
  • Question: Do I need any special tools for using these washers?

    Answer: No special tools are required to use copper crush washers. A standard wrench is sufficient for tightening the bolts with the crush washers in place. However, ensuring that the surfaces are clean and free of debris is important to achieve a proper seal. Basic tools will suffice for most standard installations, making them accessible for both professionals and hobbyists.
  • Question: Are copper crush washers suitable for all fluids?

    Answer: Copper crush washers are compatible with a wide range of fluids, including oil, fuel, and hydraulic fluids. However, they may not be suitable for aggressive chemicals or corrosive substances, which could degrade the copper material. It's important to consider the specific fluids involved in your application to ensure optimal performance and longevity.
  • Question: Where can I buy 10pk 516 or 8 mm ID - COPPER CRUSH WASHERS for M8 Metric or Banjo Bolt?

    Answer: You can conveniently purchase the 10pk 516 or 8 mm ID copper crush washers for M8 metric or banjo bolts at Ubuy in Isle of Man. Ubuy offers a wide selection of high-quality automotive components, making it easy for you to find exactly what you need for your projects.

DYNAPEX Banjo Accessories Editorial Review

The 10pk 516" or 8mm ID - Copper Crush Washers for M8 Metric or Banjo Bolt is an essential item for those who need to repair their tractors. This product received a positive review from a customer who used it to repair their Ford 5200 tractor. The customer reported that the washers worked great on the old engine.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Essential item for those needing to repair their tractors
  • Positive feedback from a customer who successfully used it to repair their Ford 5200 tractor

Cons

  • No Cons mentioned in the provided review

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

IMP 33

Order now and get it around Monday, September 07

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.