4-1/4 Inch Hole Saw Bi-Metal Drilling Tool with Twist Drill Bit for Wood, Plastic, Drywall, Plasterboard and Soft Metal Sheet
Features:
Professional Cutting: Hole circular saw can cut wood, gypsum board, plaster and thin metal, and cut smoothly and quickly.
Cutting Step:
a. Installing guide holes and hole saws.
b. Hold the drill pen until the cutting surface and rotate clockwise.
c. When drilling starts, cut at a slow speed and maintain a steady pressure.
d. The hole saw then cuts out the hole immediately.
Specification
Material: M42 High-Speed Steel & Bi-Metal
Design: Non-binding clean edge design
Diameter: 4-1/4 Inch=108mm
Color: Yellow