This LENOX® Standard Holesaw Arbor has an adjustable pilot drill with 3 flats on the shank. Made from hardened carbon steel for added strength and durability. Starts on contact, the split point pilot drill provides faster penetration and less walking.

Specification:

Part Number: 4L
Fits Holesaws: 9L-19L
Holesaw Size: 14.3-30.2mm
Shank Type: 3 Sided
Shank Size: 6.4mm (1/4in) & larger
Pilot Drill Length: 107mm (4.1/4in)