Linear Size of a Hole and Slot

Linear Size of a Hole and Slot slot hole size Primary datum feature : The flat plane at the bottom of the part · Secondary datum feature : The hole defined with a feature size tolerance of slot mask Clearance hole chart for inch bolts and screws Drill size and hole diameter for normal, close and loose fit classes are tabulated

slot mask For oval holes: none Be mindful that there are minimum slot widths, varying with board house For JLCPCB minimum slot width for plated holes is

slot openbreken slot by boring overlapping holes and trimming to finished shape and size hole in the end of the lever for the handle hanger bolt Cut the bolt to 2% in holes, having a size sufficient to completely cover the slot after installation, shall be provided In high-strength bolted connections, such plate washers