


M20-2.5 Top Lock Nut DIN 934 - Stainless Steel A4 (316)
Marsoni
M251S
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Friday, May 29
M20-2.5 Top Lock Nut DIN 934 - Stainless Steel A4 (316)Product Details : M20 2. 5 Top Lock Nut DIN 934 Stainless Steel A4 (316) Product Type: Top Lock Nut (Prevailing Torque Lock Nut) Bolt Diameter Size: M20 Thread Count (Pitch TPI): 2. 5 Thickness: 20 mm Thread Type: Coarse Metric Thread Direction: Right Hand Thread Tool to use: 30mm Material(s): Stainless Steel Steel Grade: A4 (316) Thread Fit: Metric Class 6H Standards and Certifications: DIN 934 For any information about products, please contact us.
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★★★★★ 5
BMW F25
Saved me when tried to change the oil. Great price
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Great product
Fits perfectly, easy to use, build for value. 3/8 inch drive. Overall made my job easy.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
2007 BMW Z4
Worked great for taking out oil filter
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Great Value...Great Fit....Works Great!
For the money, this is a great value, and if used properly, should last as long as your N55 engine....the construction material may cause it to distort, and may be difficult to separate from the filter assembly, but if this occurs, the cap was installed too tight or it's being installed too tightly...cranking on the plastic oil filter canister lid without disregard to propr torque value will result in needing a new filter canister lid and/or tool.....I'd buy this product and same mfg products....
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Reviewed in the United States on June 29, 2020
★★★★★ 4
Not a bad oil filter wrench, actually!
Lots of hit or miss reviews here, but for me, it fits like a glove and easily allows me to apply the 25-26 Nm of torque needed to open or close my BMW oil filter cover (2020 M4 but most BMWs use the same type of filter cover).
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