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Flange Nuts have flat and serrated designs designed to act as an integrated, non-spinning washer, eliminating the need for a separate washer. Serrated flange nuts are fabricated with a built in serrated washer that resist loosening due to vibration.
Flange Hex Lock Nut Size M4
Inside Diameter 4 mm
Pitch Size 0.7 mm
High Quality Material 18-8 (304) Stainless Steel
Package Included
50 x Serrated Flange Hex Lock Nuts
Warranty
MewuDecor hardware has the highest quality on the market. Buy with confidence. Money back or exchange guarranteed.
Maverick
2025-09-05 09:36:07
Faultless transaction with this seller. Totally recommended!
Steven Frazier
2025-09-03 14:58:22
Good quality stainless sedated locking nut. I used these on the glow plugs in my duramax. They fit and function perfect. Exactly what I ordered and needed.
Gus
2025-08-23 15:34:31
Stainless , no rusting
david fields
2025-08-19 16:58:14
Came as expectedNeed a nut here it is , I did not break down the chemical compounds only used it on a bolt and like magic it threaded on and got tight .Worth the money enjoy
Victor
2025-07-28 16:54:48
JUST WHAT I WAS LOOKING FOR, COULDN'T FIND THESE IN ANY OF MY LOCAL HARDWARE STORE. FAST SHIPPING AND HAVE EXTRAS WHEN I NEED IT.
Steve and Amy
2025-07-25 17:10:13
I've been converting our 2020 Metris. I found it already had M8 nutserts installed so I've been sticking to metric. I find M8 is the best size for most things mainly because the threads hold up well. I've had issues with threads on smaller size China made fasteners. With stainless I shouldn't have to worry about moisture. Only problem is when I drop one down a deep channel my magnet won't pull it out...
Zack
2025-07-18 16:14:41
Products appears as expected/described. Ordered both M5 and M6. Products are very slightly magnetic, as expected with 304 stainless steel. Finish on M6 is slightly different from that of the M5 from this same product page, with M6 having more sheen to it.Threads are clean and well formed. No complaints here from a professional. Would recommend.
J. Smith
2025-06-14 17:45:28
Worked excellent For the price Slow In shipping I do not know if it's USPS Or Amazon But be prepared to wait
Pierre R.
2025-06-07 12:11:47
I mean 8 mm nuts ... works fine
Chip
2025-04-18 20:48:12
Had to order these because I dropped one into an engine and didn’t have a spare, never did find it. As well as retaining engine parts they can be entertaining for all ages.
The Ern
2025-04-10 12:36:53
nicely finished product.... was used to assemble a metal work bench
Dave in Calgary
2025-02-23 14:49:37
very happy with these !
Jeff Sit
2025-01-23 20:46:10
I use this for my LiFe04 battery pack, this nuts is sturdy and good quality
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