Klein Tools 31872 Heavy Duty Hole Saw Kit – Carbide Cutters & Pilot Bit in Rust-Proof Molded Case, 4-Piece

Reliable precision for metalwork and more

The Klein Tools 31872 Heavy Duty Hole Saw Kit brings professional-grade carbide cutters to your toolbox. Designed to cut clean, round holes quickly, these cutters perform well across stainless steel, mild steel, iron, copper, and brass sheets up to 3/16 inch thick. The included pilot bit features a split-point design to minimize wandering at start, helping you get accurate starts even on challenging materials. A rugged, rust-resistant molded case keeps the components organized and protected between jobs, reinforcing the kit’s readiness for demanding environments.

This 4-piece set includes three commonly used hole saw sizes and an extra pilot bit, so you can tackle a variety of installation and fabrication tasks without hunting for replacements. The combination of carbide-tipped cutters and a precision pilot bit is built to deliver consistent results, reducing rework while you focus on the task at hand.

What’s in the kit

• 7/8-Inch carbide-tipped hole saw
• 1-1/8-Inch carbide-tipped hole saw
• 1-3/8-Inch carbide-tipped hole saw
• One extra pilot bit

Key design benefits

• Split-point pilot drill bit prevents bit walking for accurate starts
• Integrated flange helps prevent drilling beyond the sheet metal edge
• Heavy-duty carbide cutters deliver long life and consistent cuts
• Conduit and pipe sizing ranges from 1/2 inch to 1 inch for common installations
• All components stored in a rust-proof molded plastic carrying case

Real-world use cases

Ideal for electrical, plumbing, HVAC, or fabrication tasks, this kit supports quick, clean holes in metal panels, enclosures, and sheets. The compact case keeps every part within reach, reducing downtime during site work or shop sessions.

Whether outfitting a panel or rough-in work in metallic cabinets, you can rely on the combination of cutting speed, edge quality, and durable construction. Klein Tools draws on a long family heritage of crafting reliable, professional-grade hand tools, emphasizing quality, longevity, and performance that professionals depend on day after day.