The Starrett A1 Arbor with 6.35mm (1/4) high-speed steel pilot drill and 8.75mm (11/32) hex shank, fits hole saw diameters 14-30mm (9/16 - 1.3/16). A set screw in the body allows for easy replacement of the pilot drill. Screw thread 1/2 - 20.

Key Features:

• Fits Holesaw Diameter: 14-30mm (9/16”-1.3/16”)
• Arbor Shank Sizes: 8.75mm (11/32”) hex
• Chuck Size: 9.5mm (3/8”)

Click here to check out our blog post - Can you use a holesaw without an arbor?

• SKU Starrett A1 Arbor to suit 14 - 30mm Holesaws