3-1/2" (90mm) TCT Hole Saw Kit:

Perfect for cutting large holes in stainless steel panels,aluminum sheets, and other metal surfaces used in industrial equipment and machinery manufacturing.

Ideal for creating clean hole sin metal and plastic pipes, HVAC installations, electrical panels, and other construction materials.

Excellent for cutting through metal components in automotive repair and maintenance, as well as in the fabrication and repair of marine structures.

DIY and Hobby Projects: making holes for plumbing, electrical wiring, and custom metal work.

Includes:

1 Hole Saw (3-1/2" or 90mm)

1 Hex Wrench

1 Pilot Drill Bit with Spring

1 Plastic Storage Case

Features:

Ideal for use with electric drills, bench drills, CNC drilling machines, and impact drills.

Avoid Cutting Concrete, Stone, or Tiles as they can damage the TCT cutting edges.

User Instructions:

1. Avoiding dropping or bumping the TCT teeth of the hole saw, which might result in teeth breakage.

2. Start with a low feed force when drilling.

3. Gradually increase to a medium feed force once the hole is properly positioned.

4. Maintain an appropriate rotating speed during drilling to avoid tool breakage due to intermittent cutting.Use minimal force when the pilot drill bit is about to penetrate the workpiece to avoid damaging the cutting edges.

6. After drilling through, keep the drill rotating while exiting the workpiece to ensure a clean cut.

7. For continuous drilling, employ adequate cutting fluid to cool the cutting edges and prolong tool life. Please also oil it after use to prevent rusting.

3-1/2" TCT Hole Saw for Hard Metal, Heavy Duty 90mm Tungsten Carbide Tipped Hole Cutter with Spring-Loaded Pilot Drill Bit for Stainless Steel, Metal, Iron, and Plastic.

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