Easy way to cut a perfect circle for clock. 1-5/8" maximum cutting depth. Heavy-duty bi-metal shatterproof construction consists of a hardened high speed steel cutting edge welded to a tough alloy steel body. Variable pitch for faster, smoother cutting action on a wide range of materials.
Arbor 90301 has a quick-hitch design permitting the instant changing of hole saws without tools and without removing arbor from drill chuck. Supplied with 1/4" high sped steel centering bit. Hardened steel. Arbor sold separately.
See tech sheet 90292 for more tech info on all sizes.
