Sometimes the aftermarket drive shaft flanges are slightly thicker than the stock drive shaft flanges. This may require slightly longer bolts. Get yourself a set of these 10mm flanged bolts to go along with your new drive shaft. Sold in sets of 4, you will need one set for each end of your drive shaft.
If you order two sets of bolts with a Toyota drive shaft, an automatic discount of 50% will be applied to the bolts in your cart.