Ideal 35-391 Holesaw Arbor; 1/4 Inch Round Shank, 1/2-20 Thread, Fits 9/16 - 1-3/16 Inch Holesaw

Detailed Description: Ideal Hole saw arbor is made of corrosion resistant steel for long life. It is compatible with bimetal hole saws, recessed light hole saws, carbide-grit hole saws and bit extensions. It measures 1.50 Inch x 1.50 Inch x 5 Inch. It features 1/4-Inch replaceable pilot drill with 118 deg unique split point design for faster penetration and less walking. Arbor has round shank of size 7/16 Inch and thread of size 1/2 Inch - 20 TPI. It saves valuable time through this versatile design, instantly change hole saws without tools and without having to remove the arbor from the chuck.