Quote Originally Posted by Ocracoke View Post
Jibril
The HDPE base panel has been drilled. Doing 32 holes three times over in 3, 8 and 10mm bits is nuts but there you are.
Need to get yourself a step drill: https://www.screwfix.com/p/erbauer-s...E&gclsrc=aw.ds

Or if the material was thicker than 5-8mm, a spade bit: https://www.toolstation.com/flat-woo...SABEgJbDfD_BwE

Will save yourself a lot of time and changing of drill bits