Our resident GS-150 expert giving up so soon? lols!
Bro, pursuing a difficult task only makes it more pleasurable. anyways, caliper to shock bolts can be found at almost any specialized bolt supplier shop. kindly allow me to correct some misconception here, bolts ( no matter what size and shape) are very easy to find. would you like me to help you find some?
moving on, the same bolt supplier can also provide you bolts which fix disk to the hub and the bolts that fix hydraulic line to the master cylinder and the caliper. there shouldn't be a problem here.
you can get china bolts for Rs. 5 a pop or you can opt for some quality bolts which can be as expensive as Rs. 25 a pop. I would stay clear of the Rs. 5 stuff as they have a tendency of slipping.