Mandrel Including the Pilot Drill.
This CRL Hole Saw Mandrel is manufactured to fit our HS85 Series hole saws.
Shank: 1/4 inch
Additional Product Information:
HSM8501 fits hole saws 5/8 to 1-1/8 inch (15.9 to 28.6 millimeter) and it has a 1/4 inch (6.4 millimeters) shank.