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Speedglas Bolt Assembly


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The 3m Speedglas bolts are great because they are so simple.   Here's what I did on the KS I built for my son

1)  I cut a square hole in the visor that fits the square end of the bolt.   Then drilled a corresponding round hole into the helmet itself.

20181121_065844_resized.jpg

2) Then I fed the grey bolt through both holes to the other side

20181121_065827_resized.jpg

 

3)  Then you just screw the black washer in place. 

20181121_065811_resized.jpg

 

4) And that's it!   Very simple and makes it really easy to take the visor off if you need to make repairs

20181121_070916_resized.jpg

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  • 10 months later...
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Just so you know those are the new style bolts. If your wanting the old style like used on the movie helmets you might have to go with a resin set. Someone around here was selling resin copies. I can't remember who. 

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Another easy way to install these is to drill a 1/2" hole in the visor and a 1/4" hole on the faceplate. The bolt will fit into the round hole with a solid push and stay put and the smaller hole is the right size for the threaded end.

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On 10/17/2019 at 9:05 PM, Stroker said:

Just so you know those are the new style bolts. If your wanting the old style like used on the movie helmets you might have to go with a resin set. Someone around here was selling resin copies. I can't remember who. 

I was not able to cancel my order as it was already processed. I got them yesterday and look nothing like the ones in Mickey's post. I will be returning them. 

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The classic style bolts haven't Ben manufactured for a few years now, you have no hope of buying 

them from  3m direct as they send out their latest design .

your only option is to use resin copies . 

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....or buy them from Kevin Weir like I said. He has a stockpile of the old ones.  

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11 hours ago, BikerScout007 said:

....or buy them from Kevin Weir like I said. He has a stockpile of the old ones.  

I got in touch with him, and will be ordering a set. Thanks again for the tip.

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9 hours ago, mickeymark34 said:

I got in touch with him, and will be ordering a set. Thanks again for the tip.

Awesome.  Those are the same ones I used with that KS helmet in the pics above!

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2 minutes ago, Stroker said:

Worth the wait! 

Now I will just have to do other things when my armor get here. I was wanting to build the helmet first. LOL.

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Nothing stopping you building the helmet , bolting it together is one of the last jobs on a helmet build, and you can just use a slightly undersized bolt to finish the job , somthatbwhen yourbspeedglass parts arrive you can open up,thenholes and fitbthem . 

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  • 1 year later...
40 minutes ago, DarthSnark said:

I know this is an old thread but I am actually looking for the bolts in black for my shadow scout helmet- does anyone know if the bolts from amazon are concave/ the proper size?

If you order these, then they should be the properly sized, concave 3M bolts. They will be grey, not black, though. So you'd need to paint them.

https://www.amazon.com/Fibre-Metal-Honeywell-FM4001-Quick-Lok-Adapter/dp/B002BUMS8Y/ref=psdc_7491811011_t1_B015MG1SMK

The bolts referenced earlier by MickeyMark are black, but they are convex in shape.

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