Malco® Quick Connect Arbor (Carbide Tipped) – HA3
The Malco HA3 Quick Connect Arbor is engineered for speed and durability. Featuring an industry-standard 5/8-18 thread, it fits hole saws from 1-3/8 in. to 6-5/16 in. (35–160 mm). The integrated Quick Connect system allows fast pilot drill installation and removal, while the quick release mechanism ejects saw plugs easily to reduce downtime. Designed for use in a 1/2 in. (12.7 mm) drill chuck with secure 10 mm hex engagement.