Lenox 1779801 1/2in Hex Shank Hole Saw Arbor
No adaptor required arbor threads directly onto hole saw.
No tools needed. No. 1779669:
Use for hole saws 9/16" to 1-3/16", 3/8" hex shank, 5/8-18 thread, 5L No.

• Hardened carbon steel for strength and added durability
• Starts on contact
• Split point pilot drill for faster penetration and less walking