Aluminum T-bolt hardware for roof rack??

thule t slot bolts   Dan thule slot

I use carriage bolts, they even have a square part on the head they fits with the track to keep it from spinning I can't remember the exact

The replacement that thule recommends is a normal u-bolt, and it does not work The other piece is the cam-lock nut for a thule bike rack I Allows the fitment of a huge range of accessories to Rhino, Rola, Whispbar and Thule aero bars Nyloc nuts are also available Filter

slot demo pgsoft Do I need to remove and attach the T-slot bolts every time I remove the rack from the car? The bolts can slide off attatched to the Highspeed just like Thule T bolts have 20mm x 20mm square plates which fit into the Thule track I have BMW roof bars and the track groove is larger so I need the Thule T