JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
Mon-Fri: 7:30am - 5:00pm
Sat: 8:00am - 12:00pm
A spare grub screw for the Starrett A1 & A4 arbor.
The grub screw for the Starrett A1 & A4 arbor is a spare part that can be used to secure the pilot drill to the arbor. It has a hex socket head that can be tightened or loosened with an Allen key.