JONARD TOOLS HSK-4: 4-Piece Carbide-Tipped Hole Saw Kit

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Jonard Tools HSK-4 4-Piece Carbide-Tipped Hole Saw Kit

Fast, Clean Cutting Through Tough Metal Surfaces

The Jonard Tools HSK-4 Carbide-Tipped Hole Saw Kit is engineered to create fast, accurate holes through stainless steel, mild steel, iron, copper, brass, aluminum, and other demanding materials. Its three popular hole-saw sizes make it an ideal choice for installing conduit, junction boxes, cable pass-throughs, and other electrical or low-voltage components.

Carbide-tipped cutting edges deliver cleaner cuts, longer service life, and improved performance compared with standard hole saws. The included pilot drill keeps each cut centered, while its spring automatically ejects the cut slug to reduce downtime between holes.

Key Features

  • Carbide-tipped cutting edges stay sharper and last longer

  • Produces fast, accurate holes with minimal burring or deformation

  • Suitable for stainless steel, mild steel, iron, copper, brass, and aluminum

  • Includes three commonly used hole-saw sizes

  • Pilot drill helps keep each cut properly centered

  • Ejector spring automatically removes the cut slug

  • Industrial-grade construction withstands heavy-duty professional use

  • Ideal for conduit, junction-box, and cable-routing installations

  • Includes an extra pilot bit

  • Organized in a durable hard carrying case

  • Backed by Jonard Tools’ Made for Life® guarantee

Designed for Professional Installations

The HSK-4 helps electrical, security, networking, and low-voltage professionals create clean openings without excessive burrs or material deformation. Its carbide-tipped design is especially useful when working with tough metal surfaces where accuracy, speed, and durability are essential.

Ideal Applications

  • Electrical conduit installation

  • Junction-box installation

  • Cable-routing pass-throughs

  • Security and surveillance installations

  • Access-control wiring

  • Network and telecommunications projects

  • Electrical panels and metal enclosures

  • Commercial and industrial low-voltage installations

Included Hole-Saw Sizes

  • 7/8 inch (2.2 cm)

  • 1-1/8 inches (2.9 cm)

  • 1-3/8 inches (3.5 cm)

Technical Specifications

  • Model: HSK-4

  • Compatible materials: Stainless steel, mild steel, iron, copper, brass, and aluminum

  • Number of hole-saw bits: Three

  • Kit dimensions: 6 × 4 × 4 inches

  • Kit weight: 1.42 lb

  • UPC: 810132438639

Kit Includes

  • One 7/8-inch carbide-tipped hole saw

  • One 1-1/8-inch carbide-tipped hole saw

  • One 1-3/8-inch carbide-tipped hole saw

  • One extra pilot bit

  • Hard carrying case

The Jonard Tools HSK-4 provides professional installers with the cutting performance, accuracy, and durability needed to create clean openings in demanding metal surfaces.