Rivet Restoration System. Factory Rivet Removal Drill Bit Set for 1-72 Rivets. Screw-In 1-72 Rivet Tap for Threading Pilot Holes. 100 Button-Head Stainless Steel 1-72 Screw-In Rivets & Hex Wrench. Includes a special high-torque hex key to drive the rivets into the threaded 1/16" pilot hole.