Ideal Industries, Inc. - 35-393 - 7/16" Hex 1/2-20 Thread IDEAL® Hole Saw Arbor
Hole saw arbor with durable steel construction means years of long-lasting performance. Set-screw in body allows easy replacement of the pilot drill. Save valuable time through this versatile design. Instantly change hole saws without tools and without having to remove the arbor from the chuck. 1/4 inch high-speed drill pilots for fast hole starting.