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 ...

Add Yahoo as a preferred source to see more of our stories on Google. useful power drill attachments - man drilling into brick wall A power drill is a workhorse that’s essential to many DIY projects.

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 ...

17 drill sizes, from 1/8" to 3/8", in 1/64" increments Use on flat surfaces, round parts, and corners Special nickel alloyed steel heat treated for durability Non-plated material with light oil ...

With the right power tool and the right bit, drilling into concrete can be a perfectly manageable task, but that doesn't mean it's without complication.