Sada dierových píl KWB 499505, 8-dielna, rôzne priemery — náhradné rezné zvony a upínacie stopky

KWB Hole Saw Set 499505 contains eight components: a selection of cutting cups in assorted diameters and matching arbors for use with standard drills. The cups are designed to cut clean round openings in wood, plastic and non‑ferrous materials. This compact set is intended to support common installation and repair tasks such as fitting pipes, routing cables, installing door hardware and creating ventilation holes, offering a space‑saving assortment for the workshop or site work.

Advantages

The set provides a range of hole diameters in one kit, reducing the need to buy individual saws. Cutting cups are optimized for clean edges in soft and non‑ferrous materials, and included arbors ensure compatibility with standard drill chucks. The compact assortment simplifies transport and storage while enabling quick diameter changes on the job. Designed for routine installation and maintenance, the components are practical for both occasional DIY use and professional trade work.

Suitable for

Key specifications

How to use

Select the cutting cup with the required diameter and mount it onto the appropriate arbor. Secure the arbor in the drill chuck, set the drill to a moderate speed suitable for the material and apply steady pressure while keeping the tool perpendicular to the work surface. For thicker or harder materials, make progressive shallow cuts rather than a single deep pass. Remove material plugs and check the hole for fit; if necessary, deburr edges with a file or sandpaper for a clean finish.

Recommendations

Use appropriate personal protective equipment such as safety glasses and gloves. Match drill speed to the work material — lower speeds for plastics and non‑ferrous metals to avoid melting or smearing, and moderate speeds for wood. Secure the workpiece before cutting to prevent movement. Regularly inspect cutting edges for wear and replace worn cups to maintain clean cuts and reduce load on the drill.