The Rockler Insty-Drive 3-Pc. Self-Centering Bit Set includes #4, #6 and #8 self-centering HSS drill bits that conveniently fit in heavy-duty nylon storage pouch. The 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! Individual bits also sold separately. For larger architectural hardware, a #10 bit is available separately.
Here's an accurate and inexpensive way to set up your drill press for boring the large diameter holes required for cup hinges. Simply align your fence with the hole in the jig, then tighten down your fence. You'll get consistently accurate holes with a perfectly set ''tab'' for your hinge. Set up couldn't be any easier! Made in USA. Appropriate ''tab'' (distance from door edge to edge of cup hole) is laser-etched onto the JIG-ITMade from stable, durable HDPE materialDrilling jigs available for 35mm and 26mm hinge cup holes