The importance of using the correct, genuine factory bolts can never be overstated!
Threads will be accurate, the steel will be hardened and tempered correctly with the correct finish - In short it would be unwise, to say the least, to use anything other than new genuine factory parts!
Some other bolts you may wish to consider:
Please make sure part numbers ordered are compatible with your model. Genuine Japanese factory parts are frequently great value and ALWAYS great quality. Make sure you order ALL the parts required at the same time and save money by avoiding multiple shipping costs!