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Trying to source black M5 bolts in a few different sizes (35mm, 5mm, 15mm) and one m4 bolt in 12mm. Silver ones would look awful on the bike. Anyone know where I can source single nuts, bolts and washers... all in black? Amazon/google not being so helpful rn
thx
I've half looked for some myself, seems to be called "black stainless" https://www.accu.co.uk/search-uk?query=black+stainless
Depends if you want shiny I guess.
Put black caps on them?

This eBay sellers got a good range… used some myself for a rack and bottle cage replacement bolts Carbolts1
There's a band called "Risk" (ironically) who sell titanium hardware on ebay/AliExpress etc. They're available in black for a very reasonable price and I've found to be very good quality. I've got a few of their brake caliper and disc rotor bolts that I've been using for a while with no issues.
Uberbike sell black titanium bolts of various types and sizes
I have used this company before. Bolt base in Alloa, Scotland. Think they are on Ebay too.
+1 for accu bolts.
If you have bolts already, have you considered applying Birchwood Casey Super Black (or Super Blue) ?
PSA - sorry about the inevitable ‘Murica Yeah!! content that you’ll discover when googling this stuff. Gun people love it, cos god forbid you get a scratch on your gun.
If you have access to a blowlamp(and the bolts are steel) you can do it yourself with oil.
Unbrako 12.9 socket head screws. Plenty strong, great quality, black but not cheap. Completely over the top for a bike...For example single unbrako M5 screw can take a load of 18kN, 1800 kg
Westfield's or accu are good to purchase from.
Fun fact: the head markings on screws indicate strength. You may see 12.9 which guarantees atleast 1200 MPa ultimate tensile strength & yield point is 90% of UTS. If you see no markings then assume it's made of cheese...
I workod hard for my black bolt, took mo ovor fivo yoars but I can say with prido that I oarnod it.
This was in Karato, ono of tho othor martial arts may tako loss timo.
If you need any m5x16 then I have a big bag of black stainless counter sunk t25. From Accu originally.
While browsing R2-bikes website I stumbled across some lovely titanium and alu bolts and washers under the screws and bearings section. Postage might be a bit steep for a small order but there's plenty of bargains to tempt you, I always seem to find an extra 2 or 3 things like a spare rear mech to add to the basket 😀
Can you just buy a multi pack of 10/50 and hacksaw them to length? I do that all the time when diving in the spares box.
And do you actually need 12mm and 15mm, or can you just lose the extra length inside the frame?