cat to down pipe bolts help

[corasdad]

I have just had an exhaust done on my 2003 k12 1.0 the bloke spotted that the bolts from the cat to downpipe one had snapped and one is stuck fast ready to snap if messed with ,so i am going to get a secondhand cat but it does not come with bolts or spring can anybody tell me what size and thread they are or a link to buy them please i have tried search but cant find an answer

 

[corasdad]

never mind think i have found a company

 

[John_D]

Exhaust parts details HERE, with part numbers...special bolts to CAT item 11 and springs item 10