A hex head bolt used as the hinge or pivot pin of a moving part: it passes through the eyes of the parts it joins (the M20 bolt of the Kee pallet gate hinge assembly, the 12 mm pins of lift arms). Its axis is the local x axis, the head face at x = 0. Shaft length, Shaft diameter, Head height and across flats
Category: Garage Doors › Up-and-Over Doors › Gate Hinges
By Huu Khanh Nguyen · Updated November 10, 2026
| Name | Default | Unit |
|---|---|---|
| Shaft length | 140 | mm |
| Shaft diameter | 20 | mm |
| Head height | 12.5 | mm |
| Head across flats | 30 | mm |
| Length along the bolt axis | headHeight + boltLength | mm |