Best in 7 days
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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
M20 x 37mm FLAT WASHER (A2 STAINLESS STEEL) FORM B - BS4320 - Box of 200M20 x 37mm Flat Washers with FREE UK Mainland Delivery* on all orders of 100 and over. All Jacbolts Precision washers are made using high quality stainless steel. These M20x37mm Form B flat washers are manufactured according to BS4320. Other flat washer sizes are available, from Jacbolts, in different internal and external diameters and thicknesses. See the table below for more technical information. The washer thickness is approximate, please see the
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 2014 reviews
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Product Reviews
★★★★★ 5
Great oil
Won’t use another brand now that I’ve used these guys. Phenomenal brand, noticeable difference in the engine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Recommended
Excellent quality, a synthetic mixture that I will no longer use another brand for my car. I removed a little noise that I had
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
★★★★★ 5
Buy it !
I run this in our 2010 PT Cruiser Classic, you can hear the difference, pricey but worth it, will buy again.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Nice item
Great product thank you
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Reviewed in the United States on January 23, 2026
★★★★★ 5
Great
I recently used this motor oil for my car, and I’m very satisfied with the results. The engine runs smoother and quieter, and I noticed improved performance almost immediately. It provides excellent protection, especially during longer drives, and helps maintain steady engine temperature.
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Reviewed in the United States on September 8, 2025
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