National Hardware N187-203 Flexible Heavy Duty Box Rail Hangers 1/2 Inch Offset 9 Inch Bolts End Caps & Flashing Brackets

Stanley national # 5064 Steel with Steel Bearings for wood frame metal clad doors using a 2 by 4 or 2 by 6 lumber frame in rectangular box tracks. Packed with two washers, four hex nuts and two end caps per pair; also contains two #5151 flashing brackets. Offset 9 inch bolt with 7 inches of thread adjusts door vertically 7 inches and laterally 1 inch from inside the building. Each hardened axle has 12 hardened and precision-ground alloy steel roller-bearings. Delrin (tm) seals keep out dirt while holding in long-life grease. Sold as a pair, capacity 600 pounds per door, depending on track and mounting.