M4 Aluminum Serrated Locknut (4) (Gun Metal) by Tekno RC

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Tekno RC
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This is a pack of four replacement Tekno RC M4 Aluminum Serrated Locknuts, and are intended for use with the Tekno RC SCT410 4wd Short Course Truck. 

This product was added to our catalog on February 19, 2013

Scott Sroufe
Sunday, Oct 19 2014 (about 3 years ago)
Tekno RC M4 Aluminum Serrated Locknut (4) (Gun Metal)
Never had one of these come loose. Best wheel nut on the market!
Kaleb Hamby
Verified Owner
Monday, Nov 11 2013 (about 4 years ago)
Tekno RC M4 Aluminum Serrated Locknut (4) (Gun Metal)
I think these are the best locknuts I have used. I am using these on my TLR 22T and 22SCT because the plastic insert kept coming out of the nuts the first time I would use them on the TLR nuts. I bought a bag of the TLR nuts (I think 6 came in it) and I installed 4 brand new ones and 2 of those the plastic insert came out the first time I threaded them on and had to throw them away and get 2 more new ones out. I definitely recommend these. I just wished they offered them in black.
Sunday, Jul 28 2013 (about 5 years ago)
Tekno RC M4 Aluminum Serrated Locknut (4) (Gun Metal)
These have been probably the best lock nuts I've ever used. If you're buying a SCT410, there's no need to buy different ones, these work great.