Quick Connect Arbor designed for use with Malco's carbide-tipped hole saws - Malco It features a 1-1/8" inner

It features a 1-1/8" inner diameter (ID) and a 1-3/4" right/left (R/L) nut

ensuring accurate and consistent application

This adapter features a 1/4" male flare access fitting paired with a 3/16" OD copper tube extension

and heavy equipment techs who need the full SAE deep range rated for air and electric impacts

This makes them ideal for cutting sheet metal

Quick Connect Arbor designed for use with Malco's carbide-tipped hole saws - Malco It features a 1-1/8" innerThe Malco HA3 is a Quick Connect Arbor designed for use with Malco's carbide tipped hole saws. It's engineered for fast, secure attachment and is compatible with a wide range of hole saw sizes. Product Specifications: Model: HA3 Thread Size: 5 8" 18 Hex Opening: 10 mm Compatible Hole Saw Sizes: 1 3 8" to 6 5 16" (35 mm to 160 mm) Material Compatibility: Designed for use with carbide tipped hole saws Pilot Drill Compatibility: Works with Malco HH4