I picked up a used 4 cavity Lyman 358156 mold yesterday. The vender didn't have a spare set of handles in this kit that would fit except for those already attached to another multiple cavity mold. He took them off and sold those handles to me, also, but did not include the long set screws to fasten the handles and mold together. The local hardware store doesn't carry set screws that would fit, but testing various screw sizes it appears that 12-24 threads work with what is available. Is this correct or is this a close fit but not an exact thread size? Where does a fellow obtain the set screws required to fasten the handles to the mold the way they should be?
Thank you