Use these correct specification, specialised Flange Bolts, and you will be fitting the very highest quality items that will be both easy to fit and enjoy long term durability. Other types of fastener may be just as good, or they may not.
Please note that the correct manufacturers mark is on the Bolt head, this is important for the correct appearance when restoring these types of machines.
Use the correct specification fasteners. Why take the chance with any other make? Order all the fasteners required in one shopping cart and avoid multiple shipping costs.