Shop&Lock's Signals Magazine

Hole saws have cutting speeds that should be considered when drilling into frames and doors. I once saw an installer take a $60 (employer-supplied) hole saw new out of the box to drill a hole in a steel door frame. The saw got burned up before the hole was completed. When using a hand drill, be aware of the drill's RPM. Many hand drills can run up to 2000 RPMs, most to 1000. This may be too fast for the saw, depending on the material. Using a bi-metal saw, you should stay under 80 surface feet per minute (SFM) cutting...

Shop&Lock's Signals Magazine is building with short, interesting articles being prepared featuring access control tricks, tips and expertise!  Signals was created to highlight installation techniques, to talk about door hardware selection and to make it easy to understand how to properly deploy door hardware for your entrances.  We are inviting experts in the field to contribute their articles and experience.  If you have materials or ideas to publish, please email us at sales@shopandlock.com