


Hex Head Bolt 5/16"-18 x 4-1/2" Partial thread - Stainless Steel 316 ASTM F593
Marsoni
M251S
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Friday, May 29
Hex Head Bolt 5/16"-18 x 4-1/2" Partial thread - Stainless Steel 316 ASTM F593Hex Head Bolt PDF Product Details : Hex Head Bolt 5 16" 18 x 4 1 2" Partial thread Stainless Steel 316 ASTM F593 Product Type: Hex Head Bolt Thread Size: 5 16" 18 Bolt Diameter: 5 16" Thread Count (Pitch): 18 Length: 4 1 2" Thread: Partial thread Thread Type: Coarse Imperial Thread Direction: Right Hand Thread Material(s): Stainless Steel 316 Finish: Plain Steel Grade Class: F593 Standards and Certifications: ASTM F593 For any information about
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★★★★★ 5
Works great!
Color: Black, Color: Black
This is a very simple, lightweight phone mount. It works well, I’m surprised how securely it fits on the car vent. I’ve tried others and couldn’t get them to fit right. My phone slides into the top and fits nicely. It was easy to install.
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Reviewed in the United States on January 19, 2026
★★★★★ 5
No drilling required
Size: Large
I installed this on my 2021 4Runner with the adhesive provided and no drilling. It has been a few months and it’s still solid. I live in Hawaii and the temps in the car have reached over 100* F pretty consistently and the adhesive has held up very well. There are a lot of attachment points for whatever you want to use it for. I only wish they sold the magnetic mount that it comes with so everything can match up. I use it for my phone and baby monitor. I would purchase this again.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Love this ram mount kit
Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121, Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121
All i can say is wow. This is an amazing ram mount kit for my 22 Silverado custom. All the hardware is top notch. The metal is all powder coated black with a nice grey American flag. There are so places to be able to mount addition arms. The phone holder it comes with is solid aluminum with a nice tight spring. I rate this 10/10 and for the price you can not beat it or find another better. I didn’t use the adhesive on the bottom so i can’t speak on that but i can only imagine it is really good as well. Hands down is just as good as the super expensive bulletpoint mount you see advertised. Don’t hesitate to buy.
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Reviewed in the United States on February 14, 2026
★★★★★ 4
Looks great
Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Highly recommend!
Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121
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