Clearance Hole Size for Bolts and Screws

Type I and J: Slotted Hole Perpendicular with Cross Hole Axis

If an actual dimension exceeds the tabulated maximum, it must be treated as the next larger hole size For example, a 13∕16-in by 1¼-in slotted hole for a ¾-

slot 2019 It was found that there is a reduction in sectional capacities of channel sections with an increase in hole dimensions Also, reduced hole heights and extended

slot mask holes, having a size sufficient to completely cover the slot after installation, shall be provided In high-strength bolted connections, such plate washers