Buy Champion RotoBrute AC35 MiniBrute Lightweight, Portable Magnetic Drill Press: Up to 1-3/8

Magnetic strength of 2200 pounds, a high torque motor of 1200-watts, and a no-load speed of 600 pounds are all available.

The Quick Release Arbor allows you to change the cutter in seconds.

Capacity is 1-3/8-inch diameter by 2-inch depth, with a vertical travel of 6-1/2-inch.

Cuts both ferrous and nonferrous metals with ease.

Arbor reservoir provides more convenient cooling and requires fewer refills.

Steel fabrication, bridge and highway maintenance, truck and trailer manufacturing, construction sites, mining, ship building, refineries, and welding are just a few examples of where this technology can be used.

The Manufacturer’s Statemen.

The RotoBrute AC35 magnetic drill press from Champion Cutting Tool is a powerful, lightweight magnetic drill press that can drill holes up to 1-3/8″ in diameter and up to 2″ in depth. It is simple to operate, and the quick change arbor allows for the change of annular cutters in a matter of seconds. For use in the steel fabrication and industry, truck/trailer frame fabrication, plant maintenance (refining plants), power generation (electricity generation), mining (mineral extraction), construction (bridge construction), and shipbuilding industries, AC35 is ideal. With the QX1220 drill/chuck adaptor, the AC35 can be converted from annular cutters to twist drills, and vice versa (sold separately).

The case was in good condition, but the slide locking knob/bolt (5 x 15 mm thread with a plastic knob) was bent 45 degrees upon arrival. . Once I reached the Midwestern rep in Kansas City, it was difficult to locate a replacement. Despite the fact that he is no longer involved in these Amazon sales, he promptly sent me a free replacement bolt, catalogs, and a local contact in case I had any questions, needed accessories, or needed warranty work. It’s wonderful to find someone who is willing to cut through the red tape for a customer.

The unit has been meticulously constructed with precision tolerances and other features. Designed primarily for 1/2 ” to 1 3/8″ annular cutters with excellent internal cutting oil flow, the adapter for a standard drill chuck allows the use of standard drill bits when the annular cutters are 1/2 ” to 1 3/8″. It should be noted, however, that this adapter completely fills the travel space of the shank, even before you insert a standard bit into it. This means that in order to use standard drill bits, you’d have to make your own little mounting block to raise the chuck/base distance about 5-7 inches above the object you’re drilling into.

Additionally, this machine is heavy and designed to hold a strong grip on plates with a thickness of 1/2 inch or greater. Thinner plates may not allow for a strong enough magnetic attachment to hold the unit in place, although I’ve seen them used on 3/16 with no problems in the past. When drilling under 1/2 inch plate, you must use less drilling pressure and be cautious of the possibility of breaking loose. A safety chain is included to ensure that the unit is not damaged if the power fails or the base grip becomes too weak. Yes, I suppose you could design and build your own custom 1/2 inch plate to attach to the drilling equipment you’re using.

Currently, I’m working on a custom drill press base as well as a custom 1/2 inch plate that will allow me to use this drill press on the truck or trailer for field work where transporting a full-sized drill press is not an option.

This unit has only one speed, approximately 700 rpm, and no reverse; however, the unit above it has both reverse and variable speed, allowing you to use their single bit drill and tap in a single up and down movement with their single bit drill and tap.

‘The unit’s build quality is outstanding!.

I just finished drilling a lot of holes in 1/8″ diamond plate with no problems, but if you push the unit too hard, it will move to the right or left or become loose. In this particular project, a moderate down force was sufficient. It is more effective if the thinner metals are placed on top of a thicker metal.

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