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seat harness bolt thread

saigonij - 9/8/07 at 03:45 PM

hi,

whats the thread of the threaded tubes in the roll bar that the harness bolt on to?

i need to clean them out with a tap.

Mal - 9/8/07 at 03:52 PM

The normal seat belt fixing thread is 7/16"UNF.

HTH
Mal

BenB - 9/8/07 at 04:22 PM

It probably will be 7/16 UNF. BUT some racing harnesses are now using 8mm bolts. Only trouble is SVA people say that the bolt has to be equivalent of 7/16 UNF so despite being good enough for F1 cars, 8mm bolts will fail SVA!!! LOL.....

saigonij - 9/8/07 at 05:45 PM

the harness is a saebelt make, and the chassis is a velocity

BenB - 9/8/07 at 07:17 PM

Not always true! I've got Sabelts and mine are 8mm!!!!