Sutton H125 44mm Bi-Metal Cobalt M42 Holesaw

The Sutton H125 is a 44mm holesaw made from bi-metal cobalt HSS, sized for the pipe, conduit and vent penetrations that need a clean round hole just under 2 inches. It cuts to a 32mm depth and suits machine or hand drilling in steel, stainless steel, cast iron, non-ferrous metals, plastic and wood. The listing places it on the UA2 or QFX arbor with a BD24 or BD26 pilot.

Key Features

• Bi-metal cobalt HSS for toughness and longer life
• 32mm cutting depth
• International thread standard accepts all standard arbors
• Listed for the UA2 or QFX arbor
• Suits machine or hand held drilling
• Cuts steel, stainless steel, cast iron, non-ferrous metals, plastic and wood

Specifications

• Diameter: 44mm (1.3/4 inch)
• Model: H125, white label series
• Material: bi-metal cobalt HSS
• Cutting depth: 32mm
• Thread: international thread standard
• Arbor and pilot: UA2 or QFX arbor, BD24 or BD26 pilot drill

Applications

• Plumbing pipe penetrations through floors and cabinets
• Conduit and cable holes through steel
• Vent and grille openings in panels
• Downlight and fitting holes in timber
• General fabrication and maintenance

What You Need To Complete The Job

Mount the saw on a quick fit arbor with a BD26 pilot drill in the centre. Use a cutting lubricant in metal. For concrete or brick, switch to an SDS masonry drill. More cutting gear is under Carpentry Tools.

Frequently Asked Questions

What is a 44mm holesaw used for?

A 44mm holesaw covers pipe and conduit entries in the 40 to 44mm range, vent grilles and small duct fittings. It is a useful size for plumbers running pipe through timber and steel, and for electricians on larger cable entries.

Will this saw cut through metal roof sheeting?

Yes. The bi-metal teeth cut steel roofing and cladding cleanly, and the 32mm depth is enough for single skin panels. For a penetration through a roof, mark the centre carefully, use a sharp pilot, and back the work where you can for a clean exit.

What does a good holesaw setup look like?

A sharp pilot, a tight arbor, a drill with steady torque, and a moderate speed. Start the pilot on the mark, let the rim begin cutting slowly, then feed evenly. A cutting lubricant on steel keeps the teeth cool and the cut smooth.

Can I use this saw in timber framing?

Yes, it cuts through studs, joists and plywood quickly. Timber is much easier on the teeth than steel, so the same saw does a long run of timber holes without losing its edge. Feed at a steady rate and clear the sawdust from the flutes.