C.K Tools T3203 020 serra copo bi-metal 20 mm

Cut precise 20 mm holes through steel, stainless steel, cast iron, non-ferrous metals, wood, plastics and plasterboard with this bi-metal hole saw featuring variable pitch teeth for fast, clean cuts.

Overview

The C.K Tools T3203 020 is a single 20 mm bi-metal hole saw engineered for general-purpose hole cutting. Its high-speed steel cutting edge is electron beam welded to an alloy steel body, delivering durability and heat resistance. The variable 4/6 TPI tooth design reduces vibration and clogging, while the side slot allows easy slug ejection. With a cutting depth of 38 mm, it handles a wide range of materials. Requires a C.K T3200 or T3201 arbor (sold separately).

What stands out

• Bi-metal construction: HSS cutting edge welded to alloy steel body for long life
• Variable pitch teeth (4/6 TPI) for smoother cutting and reduced chatter
• Side slot for quick slug removal
• 38 mm cutting depth for thicker materials
• Compatible with most power drills via C.K arbors T3200/T3201

Technical details

• Diameter: 20 mm
• Cutting depth: 38 mm
• Blade material: Bi-metal (high-speed steel edge)
• Body material: Alloy steel
• Tooth pitch: 4/6 TPI variable
• Construction: Electron beam welded
• Arbor requirement: C.K T3200 or T3201 (sold separately)
• Pack quantity: 1 piece

Our verdict

A reliable 20 mm hole saw for professionals cutting metal, wood or plastic. Its bi-metal build and variable tooth geometry ensure efficient cutting, though you'll need a compatible arbor to get started.