Hole saw set GEKO G40202 — bi-metal for metal with titanium drill, 10 pcs, sizes 16–53 mm

GEKO G40202 is a 10-piece hole saw set designed specifically for cutting metal. The set contains bi-metal hole saws in incremental sizes from 16 mm to 53 mm and a titanium-coated pilot drill for accurate centering and longer life. This set is intended for creating clean round holes in sheet metal, pipes and other metal components during installation, ventilation, plumbing and electrical work.

Advantages

The bi-metal construction combines flexibility and hardness to resist wear and reduce the risk of premature breakage when cutting ferrous and non-ferrous metals. The included titanium-coated pilot drill improves centering accuracy and drill life, helping to minimize wandering at start-up. The set covers a wide range of common hole diameters from 16 mm up to 53 mm, reducing the need to change tools frequently. Components are sized to match common installation and service tasks, making the set a practical selection for field and workshop use.

Suitable for

• Cutting round openings in sheet metal for ventilation ducts and grilles
• Making holes in metal pipes and conduits during plumbing and HVAC installation
• Creating access holes for electrical boxes and cable entries
• Workshop tasks that require a range of hole diameters in thin to medium-thickness metal

Key specifications

• Material: bi-metal hole saws with high-speed steel cutting edge
• Pilot drill: titanium-coated for improved centering and wear resistance
• Quantity: 10 pieces covering diameters 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 28 mm, 30 mm, 32 mm, 38 mm, 53 mm
• Intended use: cutting holes in sheet metal, pipes and other metal components
• Compatibility: suitable for standard hole saw arbors and drills with appropriate power and speed control

How to use

Secure the appropriate size hole saw to a compatible arbor and install the titanium pilot drill. Clamp the workpiece firmly to prevent movement. Start drilling at low speed to allow the pilot drill to establish a centered pilot hole, then increase speed as appropriate for the material and size of the cut. Apply steady, even pressure and allow the tool to do the cutting; avoid forcing the saw to prevent overheating or premature wear. After cutting, remove burrs and clean the hole edge as needed.

Usage recommendations

Use cutting oil or lubricant when working with ferrous metals to extend tool life and improve cut quality. Select drill speeds appropriate to the hole diameter and material thickness, and replace worn pilots to maintain accuracy. Wear appropriate personal protective equipment, including eye and hand protection, and ensure proper clamping of the workpiece.