IVY Classic 28112 Hole Saw Arbor Adaptor, Adapts 1/2-Inch - 20 thread to 5/8-Inch - 18, 1/Card
- Adapts 1/2"-20 threaded arbors to fit 5/8" - 18 threaded hole saws.
- Adapts 28100, 28103, 28104, 28105 and 28108 arbors to fit 1-1/4" through 6" hole saws.
- Hex flange for easy installation and removal.