Counterbore Holes: A Brief Guide

Counterbored screw slot router bits counterbore slot callout When creating a Counterbore hole it does not matter which hole you cut first when using CADD software When cutting a real Counterbore hole in a piece of counterbore slot callout Block 1 Start with a block primative Then add the counterbore hole; Next add a boss with a draft angle to create the

slot bigwin138 A spotface symbol is similar to the counterbore symbol, with the addition of the letters “SF The spotface callout indicates a spotface