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914World.com _ 914World Garage _ Size and pitch of ski rack bolts?

Posted by: VaccaRabite May 15 2021, 03:48 PM

What size are the captive nuts under the roll bar. I bought some 6mm bolts and they seem to be the wrong pitch or something. Are they fine thread? 5mm? What’s the secret?

Zach

Posted by: bdstone914 May 15 2021, 04:49 PM

QUOTE(VaccaRabite @ May 15 2021, 02:48 PM)

What size are the captive nuts under the roll bar. I bought some 6mm bolts and they seem to be the wrong pitch or something. Are they fine thread? 5mm? What’s the secret?

Zach

I think they are 6 x 1.0
Not many 5mm on the car

Posted by: DRPHIL914 May 15 2021, 08:20 PM

QUOTE(VaccaRabite @ May 15 2021, 05:48 PM)

What size are the captive nuts under the roll bar. I bought some 6mm bolts and they seem to be the wrong pitch or something. Are they fine thread? 5mm? What’s the secret?

Zach

QUOTE(bdstone914 @ May 15 2021, 06:49 PM)

QUOTE(VaccaRabite @ May 15 2021, 02:48 PM)

What size are the captive nuts under the roll bar. I bought some 6mm bolts and they seem to be the wrong pitch or something. Are they fine thread? 5mm? What’s the secret?

Zach

I think they are 6 x 1.0
Not many 5mm on the car

@http://www.914world.com/bbs2/index.php?showuser=1435 Bruce is right, I just went thru mounting mine, . It was difficult due to rust and paint in the threads. I used some lube and a little brush to try and clean threads, and on a coupe I used the M6 thread tool(tap?) and that finally cleaned out the threads well enough to get the bolts to start straight . It took a long time to fiddle with them and get them and n and started straight.

Posted by: VaccaRabite May 16 2021, 09:46 PM

Yup, just a standard m6 1.00 pitch, but the threads were crapped up. I chased them with a tap and cleared them right up.

Zach