Countersink vs Counterbore Holes in Machining

A spotface symbol is similar to the counterbore symbol, with the addition of the letters “SF The spotface callout indicates a spotface

Machinery's handbook lists various bolt related hole sizes including counterbore These hole callouts mean: these cross-sections

counterbore slot What Tools Are Used for Counterbore Holes? Making the Correct Tap Selection for a Counterbore Hole What is Counterbore Callout Symbol?

slot mesin slot callout The center-line tools are missing a center of slot one-click option Currently this