Hex Head Bolt 1/4"-20 x 5/8" Full thread - Yellow Zinc Grade 8

Marsoni

M251S

$12.16

Get it in 3 business days with 1 day shipping. Friday, May 29

Hex Head Bolt 1/4"-20 x 5/8" Full thread - Yellow Zinc Grade 8Hex Head Bolt PDF Product Details : Hex Head Bolt 1 4" 20 x 5 8" Full thread Yellow Zinc Grade 8 Product Type: Hex Head Bolt Thread Size: 1 4" 20 Bolt Diameter: 1 4" Thread Count (Pitch): 20 Length: 5 8" Thread: Full thread Thread Type: Coarse Imperial Thread Direction: Right Hand Thread Material(s): Steel Finish: Zinc Yellow CR+6 Bake Steel Grade Class: Grade 8 Standards and Certifications: ASME B18. 2. 1 For any information about products, please

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We offer a 30-day return/exchange service after receiving.
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I use this on many builds to dampen the metal echo in cars, vans, and trucks. Just one sheet in the center of a body panel is a huge difference maker. You can also cover the entire surface and get added insulation value. The noise is greatly depleted and it's easy to install with a roller tool. Looks Great when done. Good Product I will use again!

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Reviewed in the United States on December 29, 2025

Verified Purchase

Robert Gheysens

New York, US

★★★★★ 5

Night and day difference

Style: Tech Pack 28 sqft

Stuff works great. Really makes a difference in the sound quality of the vehicle.

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Reviewed in the United States on June 8, 2026

Verified Purchase