Garage Door Hinge No. 1, Steel (Centre and Bottom Joint Hinge)
No. 1 steel hinge for sectional garage doors: fits the bottom joint on each side and every centre hinge position. A standard single door takes about 6, a double about 14. Sold singly; roller and screws sold separately.
- No. 1Centre and bottom joint
- About 6Per single door
- SteelSectional door hinge
- Sold singlyRoller not included
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Alectra Hatfield 648 Jan Shoba Street, HatfieldMon to Fri 07:30 to 17:00, Sat 08:00 to 17:00Get directions
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Alectra Wonderboom Braam Pretorius Street, WonderboomMon to Sun 08:00 to 16:45Get directions
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Of all the garage door hinges on a sectional door, the No. 1 steel hinge is the one you need most. It goes on the bottom joint, between panels 1 and 2, on each side, and it is also the centre hinge at every middle position up the door. That is why a standard single door takes about 6 and a double door about 14. The side hinges on the joints above are the No. 2, No. 3, No. 4, No. 5 and No. 6, and each one holds the roller a step further out. Sold singly.
Where the No. 1 hinge goes
Count the panels from the bottom of the door. The bottom joint, where panel 1 meets panel 2, takes a No. 1 at each side. Every centre hinge, on every joint all the way up, is a No. 1 as well. Only the side hinges on the upper joints change number, because they have to hold the roller further out as you go up the door.
Garage door hinges by number
Side hinges are numbered by joint, counting up from the bottom. A standard 5-panel door uses No. 1 to No. 4 at the sides. A 6-panel door, for example a caravan-height door, adds the No. 5, and a 7-panel door adds the No. 6. The centre hinges are No. 1 on every door.
- No. 1 (this hinge): bottom joint (panels 1 and 2) on each side, plus every centre hinge up the door
- No. 2: side hinge, joint 2 to 3
- No. 3: side hinge, joint 3 to 4
- No. 4: side hinge, joint 4 to 5, the top side hinge on a standard 5-panel door
- No. 5: side hinge, joint 5 to 6, on 6-panel doors such as caravan-height doors
- No. 6: side hinge, joint 6 to 7, on 7-panel doors (rare on homes)
How many No. 1 hinges to order
Going by common practice in South Africa, a standard single door takes about 6 No. 1 hinges and a double door about 14, because a wider door has more centre hinges on each joint. The surest check is to count the No. 1 hinges on your own door before you order.
Rollers, screws and safety
The hinge is sold on its own. At the two side positions a roller goes into the hinge tube: use the nylon garage door roller with steel stem, sold singly. Centre hinges carry no roller. Fix the hinges with garage door hinge screws, sold in a pack of 85. Alectra Solutions supplies the equipment only. The bottom bracket on panel 1 holds the lifting cable and carries the spring load, so never unbolt it with the springs under tension. Spring and cable work should be done by an experienced garage door installer.
Key features
- The hinge you need most. Used at the bottom joint on each side and at every centre position up the door.
- About 6 per single door. A standard single door takes about 6 and a double door about 14 (common SA practice).
- Single tube on the pivot. The No. 1 has one tube, as in the photo. No. 2 to No. 6 add a second tube set further out for the roller.
- Joins the panels. Links two panels of a sectional door so the door can bend round the curve of the track.
- Sold singly. Order the number your door needs. Roller and screws are sold separately.
Specifications
| Part | Garage door hinge No. 1 (centre hinge) |
|---|---|
| Material | Steel |
| Position | Bottom joint (panels 1 and 2) on each side, and every centre position |
| Typical quantity | About 6 for a single door, about 14 for a double door |
| Roller | Takes a roller at the two side positions (roller sold separately) |
| For | Sectional garage doors |
| Sold as | Single hinge |
Not in the box
- Roller (sold singly)
- Hinge screws (pack of 85, sold separately)
Questions people ask
Going by common SA practice, about 6 for a standard single door and about 14 for a double door. Count the No. 1 hinges on your door to be sure.
Yes. Every centre hinge on every joint is a No. 1. It is also used at the bottom joint, between panels 1 and 2, on each side.
No. The side hinges above the bottom joint are No. 2 and up. Each number holds the roller a step further out for the upper joints.
No, it is the hinge only. Rollers are sold singly and the hinge screws come in a pack of 85.
The No. 1 has a single tube on the pivot. No. 2 to No. 6 have a second tube for the roller, with the number stamped on the plate.
No. Alectra Solutions supplies the equipment only. For any work near the springs, cables or bottom brackets, use an experienced garage door installer.
Need it fitted? Alectra Solutions supplies product only. Ask the branch and we will point you to installers in Pretoria.




