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.
FAQs
Q1
What size hex is the shaft of the quick change pilot drills?
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What size hex is the shaft of the quick change pilot drills?
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The shaft of the quick change pilot drills is 10 mm.
Q2
How do I extend the reach of my quick action pilot drills?
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How do I extend the reach of my quick action pilot drills?
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Malco recommends using a commercially available Jacobs chuck to 1/4″ quick connect adapter, paired with a bit extension such as the Malco BHE3 or BHE6, to extend the reach of your quick action pilot drills.
