Self-centering bits feature a hex collar that allows for use with the Rockler/Insty-Drive exclusive Insty-Driver. You'll get perfectly centered pilot holes for accurate hinge and hardware installation every time!
65 Review(s)View All
Great product at a great price....Posted June 19, 2011
I am very impressed with this...Posted January 30, 2011
Perfect holes and centered every time...Posted January 22, 2011