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Seat Belt Bolt size?

Posted: 02 May 2023, 19:40
by herman_t25
Hi All,

long shot but does any one know what size the seatbelt buckle bolt is that screws into the seat tubs? there's a a threaded nut inside that they bolt into? need a couple for my MOT

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Re: Seat Belt Bolt size?

Posted: 02 May 2023, 19:45
by R0B

Re: Seat Belt Bolt size?

Posted: 02 May 2023, 20:47
by davidoft1
7/16th UNF

Re: Seat Belt Bolt size?

Posted: 02 May 2023, 22:41
by Robsey
Yes agreed -
it is the industry standard 7/16" UNF x 20 threads per inch. (Unified Fine Thread).

One of the few imperial threads you will find on many mainland Europe vehicles.

If you need to drill and tap the thread, like I had to for my rear seatbelt locations in a van...
The drill size is 9.9mm dia.

Re: Seat Belt Bolt size?

Posted: 03 May 2023, 08:49
by herman_t25
awesome thanks All :ok