Malco® Quick Release Set Arbor and Pilot Drill (High Speed Steel) – HHA4
The Malco HHA4 Quick Release Set includes the HA3 Quick Connect Arbor paired with a High Speed Steel Quick Change Pilot Drill. Designed for hole saws from 1-3/8 in. to 6-5/16 in. (35–160 mm), this system delivers fast pilot changes, easy plug ejection, and secure performance in a 1/2 in. drill chuck.