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Description
An adjustable bolt-on strap hinge for timber gates, with a 300 x 50mm black steel strap and an M20 threaded pin. The strap bolts flat to the gate through three 12mm holes and turns up at its post end into a lug with a 34 x 22mm slot. The threaded pin passes through that slot and locks with a nut and washer on each side, while its eye pivots in a bracket on a 145 x 70mm post plate that bolts to the face of the post. In the box are the strap, the post plate with its pin, two nuts and two washers. The price shown is for one hinge, minimum order 2.
What you get
| Strap | One black 300 x 50mm strap with a turned-up slotted lug |
|---|---|
| Post plate and pin | One black 145 x 70mm post plate with a bracket, carrying the M20 threaded eye pin |
| Nuts and washers | Two nuts and two washers to lock the pin in the lug |
| Not included | Coach bolts or screws for the strap and the post plate |
Why choose this hinge
You can set the gap after hanging. Run the two nuts along the 135mm threaded shank and the gate moves closer to, or further from, the post. Once it hangs the way you want, the nuts lock either side of the lug.
The slot gives you sideways room as well. A 34mm slot on a 20mm pin leaves about 14mm of movement across the thickness of the gate, which helps when the post and the gate face do not line up exactly.
A stronger pin in a compact size. M20 sits between the slim M16 pins and the heavy M24 pins in this range. The strap stays short at 300mm, so it fits gates where a long strap would run into a brace or a boarded panel.
A published weight limit. The supplier gives a maximum weight limit of 500kg for this hinge. It weighs about 1.98kg.
Specifications
| Sold as | One hinge, minimum order 2 |
|---|---|
| Strap | 300mm long, 50mm wide |
| Strap holes | Three 12mm holes on the centre line, 123mm apart |
| Lug | 68mm long, 50mm wide, slot 34 x 22mm |
| Pin | M20, 176mm from the back of the eye to the tip, 135mm threaded shank |
| Post plate | 145 x 70mm, four holes at 40 x 115mm centres |
| Bracket | 40mm wide, standing 45mm off the plate |
| Finish | Black strap and post plate with a bright silver finish threaded pin, nuts and washers, as pictured |
| Maximum weight limit | 500kg (supplier's published figure) |
| Weight | About 1.98kg per hinge |
Is this the right hinge?
All six hinges below work the same way. They differ by strap length and width, pin size and post plate. Against its nearest neighbours, this M20 hinge has a shorter, wider strap than the two M16 models and a thinner pin and narrower post plate than the M24 model on the same 300mm strap. Compare by strap length and pin size, and pick the one that fits your gate and post.
| Hinge | Strap | Pin | Post plate | Published maximum weight | Choose it for |
|---|---|---|---|---|---|
| M16, 400 x 40mm strap | 400 x 40mm, 4 holes | M16 | 130 x 35mm | 300kg | A slim strap on a light gate, gold coloured, narrow post |
| M16, 800 x 40mm strap | 800 x 40mm, 6 holes | M16 | 130 x 35mm | 300kg | The longest strap here, spread across wide boards |
| This hinge | 300 x 50mm, 3 holes | M20 | 145 x 70mm | 500kg | A compact black strap with a stronger pin than the M16s |
| M24, 300 x 50mm strap | 300 x 50mm, 3 holes | M24 | 150 x 80mm | 600kg | The same strap with a thicker pin and wider post plate |
| M24, 220 x 80mm strap, round hole plate | 220 x 80mm, 4 holes | M24 | 150 x 100mm | 700kg | A short, wide strap with a post plate on round holes |
| M24, 220 x 80mm strap, slotted plate | 220 x 80mm, 4 holes | M24 | 150 x 100mm | 700kg | As above, with slotted post plate holes for levelling |
Fitting
Most gates hang on two hinges, one near the top and one near the bottom. Fix the two post plates to the face of the post with coach bolts, keeping the brackets in line with each other. The plate needs a post face at least 70mm wide. Bolt each strap flat to the gate through its three holes; 12mm holes suit M10 coach bolts. Stand the gate on packers in its open position, pass each pin through the slot in its lug, fit the nuts and washers either side and take up the gap. Level the gate, then tighten both nuts against the lug.
Care
Grease the pivot and check the lock nuts and fixings each spring. Treat timber around the bolt holes when you drill it, because that is where a softwood gate takes up water first.
Frequently asked questions
Is the price for one hinge or a pair?
One hinge, with a minimum order of 2 because most gates use a pair. A complete hinge includes the strap, the post plate, the pin, two nuts and two washers.
How heavy a gate will it carry?
The supplier publishes a maximum weight limit of 500kg for this hinge. That figure is for the hinge, not a calculated rating for your gate. Width, wind on a boarded gate, the fixings and the condition of the timber all reduce what it can safely do.
Will it fit a left or a right hung gate?
Yes, either. The strap and post plate are the same way up on both hands, so turn the hinge to suit.
Which bolts should I use?
Coach bolts through the gate and post suit most timber. The strap holes are 12mm. The fixings are not included, because the right length depends on the thickness of your timber.
Ordering and delivery
Express UK Delivery to your site and same-day dispatch on orders before 2pm, Monday to Friday. For larger quantities or a question about fit, call 01744 520 110 or email sales@industrialsuppliesco.co.uk and we will confirm stock and delivery before you order.
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Minimum order 2 pcs