Clearance Hole Size for Bolts and Screws

Clearance Hole Size for Bolts and Screws slot hole size 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 sotes A slotted hole for bolting would automatically be 12 the diameter of the said called out slotbolt size 1516 slotted hole for a 78

slot sotes A long slotted hole shall not exceed the appropriate hole size in width and d in length, where d is the nominal diameter of the bolt in mm Note: 1 The

slot machines unlimited 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- The standard clearance in diameter and width of slot for a fastener 18 mm in diameter is 1 1 mm 2 2 mm 3 3 mm 4 4 mm 5