The Complete Guide to Portable Magnetic Drills (With Video)

The Complete Guide to Portable Magnetic Drills (With Video)

A magnetic drilling machine is used for cutting holes in metals on the worksite. It is a portable drilling machine with a magnetic base (electromagnetic or permanent magnet base) and a cutting tool attachment. Equipped with a strong magnetic base, the portable magnetic drilling machine is able to adhere to steel or other magnetic materials (ferrous metal) surface horizontally, vertically, or upside down.

Why Drill Metal with Annular Cutter (Mag Drill Bits) in Magnetic Drill?

Why Drill Metal with Annular Cutter (Mag Drill Bits) in Magnetic Drill?

Since an annular cutter removes only the material at the periphery of the hole, it is 3 to 4 times faster than twist drill bit. Besides, an annular cutter with pilot pin can finish a hole by one operation without pre-drilling for a pilot hole.

Why Do You Use a Rebar Cutter ? (With Video)

Why Do You Use a Rebar Cutter ? (With Video)

For construction industry or house renovation, drilling concrete is unavoidable. When drilling a hole into concrete, there is a high chance to encounter the concrete-embedded rebar. The rebar steel can be an obstacle for a standard hammer dill bit to drill through.

What is a step drill/ step bit/ step drill bit? (With Video)

What is a step drill/ step bit/ step drill bit? (With Video)

What is a step drill? A step drill, also known as stepped drill bit, step drill bit or step bit, is used for drilling a hole or enlarging an existing hole in thin sheet metal. Not only drilling, a step drill also can chamfer and deburr the cutting edge of workpiece by using the bevel of the next step.