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CUTTER ADJ CIRCLE 3/8 1-6 - General Tools & Instruments

Part #: 5B

The General Tools & Instruments Model 5B Adjustable Circle Cutter is an essential tool for professional technicians and mechanics, engineered for precision and durability in demanding work environments. This heavy-duty cutter efficiently produces clean, accurate circular holes and discs in a wide range of materials, making it a versatile addition to any professional toolkit. Designed for robust performance, it ensures reliable results for critical applications requiring consistent circular cuts.

Key Features

  • Adjustable Diameter: Creates precise circles ranging from 1 inch to 6 inches (25mm to 152mm) in diameter, offering flexibility for various project requirements.
  • Durable Construction: Features a heat-treated tool steel body and a high-speed steel cutting blade, ensuring professional-grade durability and extended tool life.
  • Material Versatility: Capable of cutting through diverse materials including sheet metal, brass, copper, soft steel, aluminum, plastic, wood, and composition materials.
  • Replaceable Components: Equipped with a replaceable high-speed steel cutting blade (Model #4/5) and a replaceable 1/4 inch pilot drill (Model #5/6/55) for sustained precision and cost-effective maintenance.
  • Drill Press Optimized: Specifically designed for safe and precise operation with a drill press, utilizing a 3/8 inch round shank and a maximum safe speed of 500 RPM.
  • Easy Adjustment: Diameter adjustments are made quickly and securely with the included hex wrench, streamlining workflow on the job site.

Applications

The General Tools Model 5B Adjustable Circle Cutter is ideal for a multitude of industrial and automotive applications. Professionals can utilize it for custom fabrication tasks, creating precise openings for gauges, vents, or wiring harnesses in vehicle body panels and dashboards. It is also suitable for making gaskets, washers, or custom components from various sheet materials, as well as for plumbing and HVAC installations where exact circular cutouts are required in ductwork or access panels.

Specifications

  • Manufacturer: General Tools & Instruments
  • Model Number: 5B
  • Cutting Diameter Range: 1 to 6 inches (25mm to 152mm)
  • Shank Size: 3/8 inch round
  • Recommended Use: Drill press only
  • Maximum Safe RPM: 500 RPM
  • Included Accessories: #4/5 Blade, #5/6/55 1/4 inch Pilot Drill, Hex Wrench
Only 1 left in stock - order soon

$19.96

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This product was added to our catalog on Sunday 31 May, 2026.

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