BI-Metal Hole Saw Positioning Drill 14-30mm(12pcs)

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A bi-metal hole saw positioning drill refers to a specialized tool used in drilling operations, particularly for creating holes in various materials such as wood, metal, plastic, or composite surfaces. The term “bi-metal” indicates that the hole saw is constructed with two different types of metal, typically high-speed steel (HSS) and a more durable material like cobalt. This combination enhances the tool’s cutting performance and durability.

The “positioning drill” aspect implies that the tool is equipped with a centering or pilot drill bit, which serves to guide and stabilize the hole saw during the initial stages of drilling. The positioning drill ensures accurate placement and helps prevent the hole saw from wandering off course.

1. HSS4241 drill bit
2. Diameter:6.25mm;
3. Heat reatment,HRC61-63
4. For orientation with hole saw


BI-Metal Hole Saw Positioning Drill uses

  1. Woodworking: Bi-metal hole saws are commonly employed in woodworking tasks for creating holes in wooden surfaces, such as for installing doorknobs, locks, or running cables and pipes through wooden structures.
  2. Metalworking: These tools are suitable for cutting holes in metal surfaces, including steel, aluminum, and other metals. They are used in industries like construction, metal fabrication, and automotive for tasks like installing electrical boxes, conduits, or ventilation systems.
  3. Plumbing: Bi-metal hole saws are frequently used in plumbing work to create openings for pipes and fixtures. They can cut through materials like plastic, PVC, and metal pipes.
  4. Electrical Work: Electricians use bi-metal hole saws for drilling holes in walls, ceilings, or panels to install electrical boxes, outlets, and conduits.
  5. Installation of Fixtures: The positioning drill feature is beneficial for accurately placing holes for fixtures such as faucets, handles, and showerheads in bathrooms and kitchens.
  6. HVAC (Heating, Ventilation, and Air Conditioning): Bi-metal hole saws are essential in HVAC installations for creating holes in ductwork and other components to accommodate vents, pipes, or wiring.
  7. DIY Home Improvement: Whether it’s creating openings for light fixtures, installing shelves, or undertaking other home improvement projects, DIY enthusiasts find bi-metal hole saws valuable for their ability to cut through diverse materials.
  8. Cable and Wiring Installations: These tools are used in various industries and home projects to create holes for running cables, wires, and conduits, providing a clean and precise opening.
  9. Automotive Repair: In automotive repair and modification, bi-metal hole saws are employed for tasks such as creating openings for installing gauges, switches, or running wires through panels.
  10. General Construction: Bi-metal hole saws are versatile tools on construction sites for creating openings in walls, doors, and other structures for various purposes.
SKU: AHS85121 Category:



safety measures and precautions

  1. Wear Personal Protective Equipment (PPE):
    • Always wear safety glasses or a face shield to protect your eyes from debris and particles generated during drilling.
    • Use hearing protection, especially if the drilling process is noisy.
  2. Wear Appropriate Clothing:
    • Avoid loose clothing, jewelry, and tie back long hair to prevent entanglement with the drill or rotating parts.
  3. Secure Work Material:
    • Ensure the workpiece is securely clamped or held in place to prevent it from moving during drilling. This enhances stability and reduces the risk of accidents.
  4. Inspect the Tool:
    • Before each use, inspect the bi-metal hole saw and positioning drill for any damage, wear, or defects. Replace worn-out or damaged parts to maintain optimal performance and safety.
  5. Follow Manufacturer’s Instructions:
    • Adhere to the manufacturer’s guidelines and recommendations regarding the proper use, maintenance, and limitations of the tool.
  6. Use the Right Speed and Torque:
    • Adjust the drill’s speed and torque settings according to the material being drilled. Using the correct settings helps prevent overheating and ensures efficient cutting.
  7. Use Cooling Lubricants:
    • When drilling metals, use appropriate cutting fluids or lubricants to reduce friction and heat. This extends the life of the tool and prevents overheating.
  8. Be Mindful of Electrical Cables:
    • When working with a corded drill, be aware of the location of electrical cables to prevent accidental cuts or damage.
  9. Keep Hands Away from Moving Parts:
    • Avoid placing hands or fingers near the rotating parts of the drill. Use proper grips and handles to maintain control without risking injury.
  10. Work in a Well-Lit Area:
    • Ensure proper lighting in the work area to enhance visibility and reduce the likelihood of mistakes or accidents.

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