UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

Restoration73 · 10th Feb 2019, 12:39 am

Step drill is not the same as a conecut bit - I have used the latter in a hand drill but for
plastic and ally but a slow drill speed is needed.

https://www.kelvinpowertools.com/con...-c-443-p-10890

10th Feb 2019, 12:39 am	#14
Restoration73 Nonode Join Date: Jun 2013 Location: Surbiton, SW London, UK. Posts: 2,801	Re: Using hole punches on die cast boxes Step drill is not the same as a conecut bit - I have used the latter in a hand drill but for plastic and ally but a slow drill speed is needed. https://www.kelvinpowertools.com/con...-c-443-p-10890