Titanium Lug Bolts: RADIUM Product Release - Page 2 - LotusTalk - The Lotus Cars Community
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post #21 of 35 (permalink) Old 02-14-2013, 01:00 PM
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i ordered 2hrs ago and i already have shipping conformation. THAT'S FAST!
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post #22 of 35 (permalink) Old 02-23-2013, 04:09 AM
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i ordered 2hrs ago and i already have shipping conformation. THAT'S FAST!
So what are you going to do with that green set? Spares ?

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post #23 of 35 (permalink) Old 03-12-2013, 10:29 AM
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Price on the website is per bolt? So full set of 16 is what one would need for LSS wheels. Any issues with S111 Ultradiscs Rotors?

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post #24 of 35 (permalink) Old 10-10-2013, 12:42 PM
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What's the price on these ? Link is not working. Will 28mm be adequate for a 10mm spacer? I am not sure what OEM size is.

I also have titanium wheel bolts for my Ferrari from Hills Engineering UK. They're designed with a Torx head, which are less prone to stripping and perhaps a bit harder to steal and more importantly... they look damn good. Any chance you can have some made like this?
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post #25 of 35 (permalink) Old 11-16-2013, 06:55 AM Thread Starter
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New Color Now Available


We have carried these in the past in Nano Ceramic Grey and Anodized Green. Now we stock them in a Raw Titanium finish.
Universal Titanium Lug Bolts
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post #26 of 35 (permalink) Old 11-28-2013, 09:38 AM
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Will there be a black Friday sale on the Ti bolts?
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post #27 of 35 (permalink) Old 02-19-2014, 11:55 PM
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So I have the shorter bolts and they seem to be shorter than my stock bolts by about an 1/8 inch, I've the lotus cup wheels the 5 spoke older style, not sure if these bolts are long enough when I out them in they seen just slightly out of the hub (when looking from the inside. Anyone know if these are long enough for said wheels? I'll have to measure bread engagement tomorrow to make sure.
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post #28 of 35 (permalink) Old 02-20-2014, 03:48 AM
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The pitch of the screw (lug bolt) is 1.5-mm. The diameter of the bolt is 12-mm. Proper engagement is one diameter of the bolt. So, 12 / 1.5 = 8. If you get 8 full revolutions, you are good! Just take one out and check it that way. It is the fastest and most accurate.
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post #29 of 35 (permalink) Old 02-20-2014, 06:06 AM
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So I have the shorter bolts and they seem to be shorter than my stock bolts by about an 1/8 inch, I've the lotus cup wheels the 5 spoke older style, not sure if these bolts are long enough when I out them in they seen just slightly out of the hub (when looking from the inside. Anyone know if these are long enough for said wheels? I'll have to measure bread engagement tomorrow to make sure.
Sent PM to you.

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post #30 of 35 (permalink) Old 02-20-2014, 07:50 AM
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I'm about in the same boat, I have the 5-spoke Cup wheels and a 5mm spacer at all corners, and would like these lugs, but at $250, I need to make sure they will work.
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post #31 of 35 (permalink) Old 02-20-2014, 09:37 AM
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The pitch of the screw (lug bolt) is 1.5-mm. The diameter of the bolt is 12-mm. Proper engagement is one diameter of the bolt. So, 12 / 1.5 = 8. If you get 8 full revolutions, you are good! Just take one out and check it that way. It is the fastest and most accurate.
Thanks, I think they go in 8 revolutions for sure, I'll double check later when I go to finish up working on the car.

Would'nt it be 12 revolutions though for full engagement? 12x1.5=18/1.5(thread pitch) = 12
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post #32 of 35 (permalink) Old 02-20-2014, 10:08 AM
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Thanks, I think they go in 8 revolutions for sure, I'll double check later when I go to finish up working on the car.

Would'nt it be 12 revolutions though for full engagement? 12x1.5=18/1.5(thread pitch) = 12
8 revolutions was the correct answer. A pitch of 1.5mm means each revolution advances the bolt 1.5mm. So 8 revolutions advances the bolt (8revs x 1.5mm/rev) = 12mm, which equals the bolt diameter.

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post #33 of 35 (permalink) Old 02-20-2014, 05:51 PM
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8 revolutions was the correct answer. A pitch of 1.5mm means each revolution advances the bolt 1.5mm. So 8 revolutions advances the bolt (8revs x 1.5mm/rev) = 12mm, which equals the bolt diameter.
Gotcha I have no clue what I was thinking, guess only time you go larger than the bolt diameter for thread engagement is when its like aluminium or maybe for rigging hardware like eyebolts and such.

So I finally got around to check the TI bolts, and mine only go in 4.5-5 revolutions looks like I've some used green 22s for sale ...
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post #34 of 35 (permalink) Old 02-20-2014, 06:28 PM
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Hextavo, you've got PM. Love the green color.

Elise #2393 Bordeaux/Biscuit Interior/Touring and Sport Packs/HT/Sport ECU/GPan3/DSBrace/Quantum Black SA Dampers/Lowered, Corner Weighted/Radium Catch Can/HKS Special Edition Exhaust/New "3M" Starshield/WindowTinting. Purchased new 06/01/05.
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post #35 of 35 (permalink) Old 03-25-2019, 04:04 PM
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These new RADIUM Engineering lug bolts are machined from forged 6AL-4V (Grade 5) Titanium alloy rod. They feature a 60 degree tapered conical seat compatible with most OEM and aftermarket wheels. The threads are rolled, not machined, for superior strength and wear resistance. Grade 5 Titanium is 94% the yield strength of metric grade 10.9 (OEM lug bolt steel) and are also over 43% lighter than steel.

are these still available?

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