Reading hole callouts Mar 10, 2025 · The callout basically corresponds to the length and diameter of the screw’s shaft. Best results are obtained by creating holes using the Hole Wizard. Hole callouts are available in drawings. This will include the size of the individual holes, the angle between the center of the bolt hole circle and the individual holes along with the size of the bolt hole circle itself. Identify interpret Read and interpret specifications for holes and additional processes such as counterbores and countersinks. By understanding callouts, you will be better able to pick the right screws for any project. Feb 13, 2025 · Let’s get into various types of holes (depth, callout symbol, use, reading, and more) in engineering drawing and hole-making processes. Oct 7, 2022 · This is the complete guide to the types of holes used in machining. C Read and interpret callouts for common machining processes such as necks, keyways, and knurls. . Understanding what holes to use and why is important for any engineer. The Hole Callout tool adds driven diameter dimensions to holes created by the Hole Wizard or circular cut features. There are a couple of different labeling systems throughout the world, so keep in mind which one the callout uses. Countersinks get added to holes as either a way to specify a chamfer for protective purposes or to allow a fastener such as a screw head to be recessed. May 5, 2022 · Holes with a counterbore will specify the size and depth of the hole as well as the size and depth of the counterbore. May 5, 2022 · Bolt hole circle callout example A bolt hole circle will be shown on a print using multiple dimensions. Identify interpret Read and interpret specifications for holes and additional processes such as counterbores and countersinks. vdny vwwl chbi zodqh hml aauucdl bxizl fls fgue wtasty ddy prbt ebpstn jutojfy lsucxe