These are general guidelines. Always refer to the specific manufacturer's installation manual for exact torque specifications. Values assume standard grade hardware into wood framing.
Track Hardware — Torque Values
Vertical track brackets to jamb
5/16"-18 lag bolt
Horizontal track brackets to header
5/16"-18 lag bolt
Track splice joints
5/16"-18 bolt & nut
Flag bracket / angle
5/16"-18 bolt
Track to angle iron (commercial)
3/8"-16 bolt & nut