Hole saw (bi-metal) MODECO MN-61-434 — 102 mm diameter for metal

Bi-metal hole saw MODECO MN-61-434 with a 102 mm cutting diameter is designed for creating large circular holes in metal. Manufactured from bi-metal, the saw combines a high-speed steel cutting edge with a flexible alloy body to provide improved wear resistance and thermal stability during drilling. The tool is suitable for use with hand drills and drill presses for tasks that require precise, clean holes in sheet metal, pipes and other ferrous and non‑ferrous materials.

Advantages

The bi-metal construction delivers a balance of hardness and toughness: a hardened cutting edge for prolonged sharpness and a resilient body that reduces breakage risk. The 102 mm diameter allows cutting openings large enough for pipes and conduits without the need for multiple smaller holes. Heat resistance during sustained cutting operations reduces tooth wear and maintains cutting performance. The saw is compatible with common drill arbors, enabling stable attachment and efficient material removal.

Suitable for

• Cutting circular openings in sheet metal and metal panels
• Creating access holes for pipes and conduits
• Preparing openings for ventilation and cable entry
• Metalworking tasks with hand drills or drill presses

Key specifications

• Cutting diameter: 102 mm
• Material: bi-metal (high-speed steel cutting edge with alloy body)
• Intended material: ferrous and non‑ferrous metals
• Compatibility: designed for use with electric drills and drill presses
• Typical application: through-hole cutting in sheet metal, tubing and panel work

How to use

Secure the hole saw to a suitable arbor and tighten according to the arbor manufacturer’s instructions. Mark the centre of the intended hole and, if possible, create a pilot mark to stabilise the pilot bit. Use a drill or drill press at a moderate speed appropriate for the metal being cut, apply steady pressure and allow the saw to cut without forcing. Periodically withdraw the saw to clear chips and, for thicker or harder metals, use cutting fluid to reduce heat and extend tool life. After cutting, deburr the hole edges for a safe finish.

Usage recommendations

For best results, select drill speed and cutting fluid according to the metal type: lower speeds and suitable coolant for stainless steel and harder alloys; higher speeds may be acceptable for softer non‑ferrous metals. Ensure the drill or press is firmly secured and use appropriate personal protective equipment such as eye protection and gloves.