Hole cutters – cut circular holes accurately

Whether at home, in the hobby workshop or at work, always accurate and round holes must be cut into tiles, sheets, panels or laminate to socketsinstall, tapsto assemble or pass cables and lines. With a suitable hole cutters this task is done in no time. hole cutters are available for different materials and for different hole diameters.

Hole cutter for metal sheets

Hole cutters for metal sheets are simple and robust tools that are used in locksmiths, the hobby workshop and installation companies. The Toolconsists of only two parts and a screw. The top is shaped like a cup, and has a circumferential sharp inner edge in the opening. The lower part is a wave-shaped cutting punch. To cut the hole, first drill a small hole corresponding to the screw diameter in the sheet. Then the upper part is placed on the sheet and the screw inserted through the upper part and sheet metal. Subsequently, the lower part can be screwed onto the screw. With a suitable fork or key ringThen, the lower part is pulled by tightening the screw through the sheet into the upper part and thereby separates the large hole in the plate.

The Wolfcraft hole cutters for taps is a typical hole cutters for metal sheets. The diameter is fixed at 35 mm. The tool can be used for metal sheets up to 1 mm thick. Pre-drilling requires a 10 mm metal drill bit. The Wolfcraft hole cutters is also available for cutting other pay diameters

Hole cutter for wood materials, plasterboard, stoneware and ceramics

Hole cutters, with which holes of different sizes can be cut into panels, laminates, tiles or plasterboard, are also known as circle cutters. The hole cutters consist of a slender metal bar, with a special holder on one twist drillis clamped. Two adjustable cutting blades are mounted on the beam. By moving the blades in or out, the hole diameter can be adjusted. The twist drill ensures centering of the cutting edges when the hole is cut.

These hole cutters are suitable both for working with a hand drill or a Cordless Screwdriveras well as for use on a table or table drill press, Pre-drilling is not required for circle cutters. Depending on which material is to be processed, different circle cutters are available, which differed above all with respect to the blade material.

Armeg’s AHC40-200 Hole Cutter can handle 40 to 203 mm diameter holes in wood panels, veneer lumber, plywood, plasterboard and slabs acrylicget cut. The circle cutter is equipped with a shock and impact resistant dust collector which encloses the entire circle cutter and collects dust and dirt directly when cutting.

Special shapes of hole cutters

In the broader sense also count Step drillsfor sheet metal processing to the hole cutters. Stepped drills are required to widen holes in thin sheets to an exact size. The advantage of a step drill is that unlike a normal twist drill, it can not hook into thin sheets when drilling.

Another special form of hole cutters are tools, which in principle like a sawor a router can work and cut holes with a given diameter. These hole cutters are available with round bent saw blades or carbide tipped round cutters.

When buying a hole cutter, in particular the quality of the cutting edges and the stability of the connections between cutting edges, cutting edges, drilland drilling machineimportant. The cutting edges must be suitable for the material to be processed and very sharp for a clean cut. Cutting with blunt or broken tips should not be used. A stable connection with no play between the individual components of the hole cutter is important, so that the tool for a clean cut can be performed exactly and not tilted when cutting.