Search results with tag "Counterbore sizes"

Metric SHCS Hole & Counterbore Sizes - Rorty

Imperial SHCS Hole & Counterbore Sizes Nominal Screw Size Clearance Hole Dia. mm Counterbore Dia. mm Countersink Dia. mm Tapping Drill mm Close Normal UNF UNC 8 4.6 5.0 8.0 4.8 3.5 3.4 10 5.2 5.6 9.5 5.5 4.1 3.8 1/4" 6.8 7.2 11.0 7.0 5.5 5.1 5/16" 8.4 8.8 13.5 8.8 6.9 6.6 3/8" 10.0 10.4 16.0 10.5 8.5 8.0 ...

  Size, Clearance, Drill, Schs, Counterbore, Counterbore sizes