1"-8 Hex Nylon Insert Lock Nut (NM/NE) Series - Stainless Steel 316

Marsoni

M251S

$115.44

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

1"-8 Hex Nylon Insert Lock Nut (NM/NE) Series - Stainless Steel 316Product Details : 1" 8 Hex Nylon Insert Lock Nut (NM NE) Series Stainless Steel 316 Product Type: Hex Nylon Insert Lock Nut Bolt Diameter Size: 1" Thread Count (Pitch TPI): 8 Thickness: 1. 016 to 1. 078 in Thread Type: Coarse Imperial Thread Direction: Right Hand Thread Tool to use: 1 7 16" Material(s): Stainless Steel Steel Grade: 316 Thread Fit: Unified Standard Class 2B Insert Maximum Temperature: 250 F Standards and Certifications: NM and NE

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This sound-deadening mat was easy to install on the roof of my Toyota FJ Cruiser. It significantly stiffened the roof and dramatically reduced the wind noise inside the vehicle caused by my roof rack and lights. I can actually carry on a conversation again without shouting while driving on the freeway. The 36-square-foot package was enough for my application, with about three sheets left over. The tiles adhered well to the metal without any special surface preparation. I only wish I had done this sooner.

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Reviewed in the United States on May 20, 2026

Verified Purchase

Mike

Pawtucket, US

★★★★★ 5

Works great for sound deadening install!

Size: 3 Pack

I recently put Kilmat in my van I am converting. I thought I wouldn't need to get rollers to install the sound deadening mat in my van but I ordered these anyway. Why not, 3 rollers under $20.00 and I could return them if I didn't like them. Well I ordered this roller set. I was able to put the mat on and smooth it with my hands but these rollers really helped flatten out the sound mat to get better adhesion, especially where I overlapped the seems. The rollers were more necessary than I thought. They are very sturdy and work well. They do not feel cheap and I actually liked them quite a bit. The rollers have smooth function and leave little lines in the mat where I used them. This was very handy as it let me know where I had already used them. It was nice having 3 sizes. The big roller did not fit in some of the curved areas, so I used the smaller rollers. These will work well with sound mat that is thicker than the Kilmat as well. If you are installing sound deadening mat, you should purchase these. I saw other rollers that were more money and didn't have multiple sizes. This was a good purchase. I will try to add a picture to help with visualization purposes soon.

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Reviewed in the United States on December 9, 2025

Verified Purchase

Jerry Williams

Birmingham, US

★★★★★ 5

Dyna mat soundeding rollers

Size: 3 Pack

Great product got to use them last night they all worked great , excellent bearing for smooth fast rolling , only issue i had was Amazon delivered to the wrong apartment Again !

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Reviewed in the United States on June 6, 2026

Verified Purchase

Richie; Fisher, Hunter, Woodsman

Alexandria, US

★★★★★ 5

These mat rollers do a terrific job and worth more than the listed price.

Size: 3 Pack

This product is AWESOME!! to be sure. The 3 sizes you will come to appreciate, as I did. They have some 'heft' to them, and the ribbed rollers are far superior to the flat rollers. I just finished installing sound/thermal mats 'under' the rear speaker shelf of my '71 spiffy GTO. Tomorrow, I expect to do under the rear seat, and I am sure happy that I have three different size quality rollers. Buy these, you can't go wrong.

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Reviewed in the United States on November 10, 2025