Once a hole is started in stainless steel, don’t stop or reduce pressure until the hole is finished. No matter what type of drill bit is used, drilling stainless steel builds intense heat quickly.

Drilling through metal can be somewhat intimidating for beginners, but there’s nothing to worry about. It’s just as easy as ...

It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel drill bit without reacting with the brass.

whereas cobalt is typically used for harder materials like cast iron or stainless steel. Tungsten-carbide tipped (TCT) and titanium nitride coated (TiN) drill bits are also popular. HSS is hard ...

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ...

It is much more efficient than regular drill bits. Ideal for clean and ... Can widely used in drilling steel, copper, aluminum, stainless steel and plastic, in either plate or pipe form.

So it’s always a joy to pick up a new trick, especially one as simple as putting a hardened edge on mild steel using a drill bit as a filler rod. This tip comes to us by way of [Jody], aka ...