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Running board bracket fasteners/hardware

23RST

By 23RST
in Modifications, Wheels & Tires

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23RST Enthusiast

23RST

Posted
Posted

Does anyone know a parts kit for attaching the points circled (see attached photo)? If anyone knows a thread pitch that would also help as I could put my own hardware together if needed.

I scooped up a pair of running boards & am in need of the fastening hardware that attach the brackets to the body.

running boards.jpg

Mshawn Enthusiast

Mshawn

Posted
Posted
2 hours ago, 23RST said:

Does anyone know a parts kit for attaching the points circled (see attached photo)? If anyone knows a thread pitch that would also help as I could put my own hardware together if needed.

I scooped up a pair of running boards & am in need of the fastening hardware that attach the brackets to the body.

running boards.jpg

8mm x1.25mm

Mshawn Enthusiast

Mshawn

Posted
Posted

Mine I put on this weekend. Mine are rough country HD2 step very similar to yours. And the original Silverado steps like your are an awesome step. Great look to them. Mine from roughy country leave no gap between cab and step, which I was going for. Let me know if I’m wrong on that size but I think that’s it.

IMG_0385.jpeg

newdude Senior Enthusiast

newdude

Posted
Posted (edited)
4 hours ago, 23RST said:

Does anyone know a parts kit for attaching the points circled (see attached photo)? If anyone knows a thread pitch that would also help as I could put my own hardware together if needed.

I scooped up a pair of running boards & am in need of the fastening hardware that attach the brackets to the body.

 

 

 

Bolt is 11519388.  M8x1.25, 25mm length.  

 

Nut is 11561740.  This one is the right thread but slightly larger than the nuts that come in the boards new.  GM doesn't have a mounting hardware pack for any of the boards outside of a whole board package.  

Edited by newdude
  • Like 1
TrueBlue Enthusiast

TrueBlue

Posted
Posted (edited)

I put Rhino boards on mine. I had to buy the hardware in a separate package from the boards. Don't know if you can buy just the nuts and bolts, but given the specs you've received from others it should be a simple matter to pick some up. The truck's frame rails are pre-drilled and tapped already. Good luck!

 

Edited by TrueBlue
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hollywoodsle Enthusiast

hollywoodsle

Posted
Posted
On 9/18/2023 at 3:53 PM, newdude said:

 

 

Bolt is 11519388.  M8x1.25, 25mm length.  

 

Nut is 11561740.  This one is the right thread but slightly larger than the nuts that come in the boards new.  GM doesn't have a mounting hardware pack for any of the boards outside of a whole board package.  

 

22876958 is a kit with 8 each of those nuts and bolts

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TrueBlue Enthusiast

TrueBlue

Posted
Posted

^^^and that sounds like what he'd need. 4 of the smaller and 4 of the larger per side, 16 total. The kit 23RST linked to had 32 bolts total.

23RST Enthusiast

23RST

Posted
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Posted
22 hours ago, hollywoodsle said:

 

22876958 is a kit with 8 each of those nuts and bolts


where do the clips go? Body is threaded - just discard them?

image.thumb.png.87f43afc7b5862fa5ac5015f2afe7598.png

TrueBlue Enthusiast

TrueBlue

Posted
Posted

If that's the entire kit, where are the other 8 bolts. Mine only used 3 brackets on each side, yours has four. So there should be two sets of eight bolts. On mine one set took a 13mm and the other a 14mm wrench. Don't know the thread size and pitch but they're different for the upper and bottom holes.

23RST Enthusiast

23RST

Posted
  • Author
Posted
On 9/18/2023 at 3:53 PM, newdude said:

 

 

Bolt is 11519388.  M8x1.25, 25mm length.  

 

Nut is 11561740.  This one is the right thread but slightly larger than the nuts that come in the boards new.  GM doesn't have a mounting hardware pack for any of the boards outside of a whole board package.  


Where is that nut/clip used? From what I see underneath my truck the bolts go directly into the body. I don't see anywhere or such clips to be placed.

newdude Senior Enthusiast

newdude

Posted
Posted
4 hours ago, 23RST said:


Where is that nut/clip used? From what I see underneath my truck the bolts go directly into the body. I don't see anywhere or such clips to be placed.

 

 

I'm so sorry my brain has been mush lately.  I'm used to the last gen trucks that had those nuts that I thought the newer ones still use them.

 

Looks like these are different.  There is threaded inserts where bolts go into.

 

 

23RST Enthusiast

23RST

Posted
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Posted
8 minutes ago, newdude said:

 

 

I'm so sorry my brain has been mush lately.  I'm used to the last gen trucks that had those nuts that I thought the newer ones still use them.

 

Looks like these are different.  There is threaded inserts where bolts go into.

 

 

 

But same bolt part number?

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