A long time ago, in an issue far, far away…the May 2014 issue of KITPLANES, to be exact…The Home Shop Machinist covered the ins and outs of using the Quantum jig to DIY drill bolt heads for safety ...

If you’ve ever tried to drill a hole on an angle with a power drill, you’ve probably drilled some pretty shocking holes. To do it right, you really need some mechanical assistance, and this jig from ...

Handheld power drills are fine for creating pilot holes and performing rough carpentry, but they’re not ideal for boring ultra-precise holes in your workpieces. For this type of work, you’re going to ...