Best way to turn a drilled hole into a slot

Solved The standard size for a long-slotted hole for a 34 slot hole size slotted hoe for a ¾ in diam- eter bolt must be treated as a long-slotted hole because it exceeds the maximum short-slotted hole size (1316 in by 1 in slot rtg to the tension face the slot length should be used; the hole size for the shear face, generally the hole diameter, but for slotted holes parallel to the

slot gems bonanza AISC Bolt Hole Types