5/16"-18 Acorn Cap Nut - Stainless Steel 316

Marsoni

M251S

$15.60

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

5/16"-18 Acorn Cap Nut - Stainless Steel 316Product Details : 5 16" 18 Acorn Cap Nut Stainless Steel 316 Product Type: Acorn Cap Nut Thread Size: 5 16" 18 Bolt Diameter Size: 5 16" Thread Count (Pitch TPI): 18 Thread Type: Coarse Imperial Material(s): Stainless Steel 316 Thread Fit: Unified Standard Class 2B For any information about products, please contact us. *Photos for reference purposes only.

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Really like this for my deck umbrella. Nice color. Be mindful of the room underneath for how you will set up a base so that it fits. Didn't take too long to put together. Only item I wasn't most thrilled with was hearing what I would describe as metal shavings in the tubes of the table legs/sides when rotating them so to speak.

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Reviewed in the United States on June 16, 2025

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K.Quinn

Alexandria, US

★★★★★ 5

I like this table!

Size: g:Square Table with Umbrella Hole, Color: Light Grey

Perfect for what I needed to help support my umbrella base and holds up great! Cute table too!

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Reviewed in the United States on April 28, 2026

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Doug C

San Leandro, US

★★★★★ 1

Color is not the same as picture, too light, assembly is harder than it should be

Size: g:Square Table with Umbrella Hole, Color: Light Grey

I had higher hopes for this table given the 80 dollar price tag. The gray finish is MUCH brighter than what is displayed in the picture. What's advertised matched the gray Adirondack set that I currently have in my yard, what came in was about 5 shades lighter. The assembly only had a few steps to it with a total of 8 bolts but it was more difficult that it had to be has the holes didn't line up very well and I actually had to bend one of the metal pieces to get the screw to line up. I ordered this piece initially to serve two purposes, the first was to add more stability to my ever blowing over umbrella, the second was to add a matching table piece in-between my two Adirondack chairs. This piece does neither very well. It is too light in color to match and serve to complete the set, and it is not heavy enough to add any layer of stability. For these reasons, I cannot recommend this piece.

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Reviewed in the United States on April 25, 2025