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Everything you need to know about a weld on bullet hinge

The Dunn & Watson Weld On Bullet Hinge offers a secure connection for doors, tailgates, security gates, garden gates, boats, canopies, truck bodies, gates, toolboxes and metal cabinets. They are used in a wide range of industries from shipping to construction, electronics and automotive. Bullet hinges are ideal for narrow frames where there isn’t much room to use another type of hinge. 

These bullet hinges are also known as lift off hinges or barrel hinges and are a stylish and robust method of attaching a metal door to a metal frame. They are designed to have two tear drop components that can be fitted the same way up so that you can remove the gate or door, or they can be inverted so that the gate or door is fixed in place and can’t be removed. Barrel hinges are ideal if you have limited welding space available on your doors or frames. Their compact and stylish appearance is one of the reasons they are so popular.

Weld On Bullet Hinge size availability

These lift-off hinges are manufactured from mild steel or aluminium and are available in a range of sizes from 80mm up to 150mm (click here to view our aluminium weld on bullet hinge). This size is measured from the back of the Weld On Bullet Hinge to the front but doesn’t include the greased nipple at the front. This greased nipple is available with all Dunn & Watson bullet hinges and is designed to increase the longevity of the hinge and to prevent it seizing up over time. Whether you select an aluminium or a mild steel lift-off hinge, they are designed for heavy duty applications and can withstand substantial loads.

Features of the Aluminium Bullet Hinge 

The aluminium bullet hinge has a stainless steel finger inside an aluminium body. It also comes with a stainless steel washer that slides over the stainless steel finger keeping the hinge secure. These lift off hinges are mainly used on aluminium checkerplate toolboxes at Dunn & Watson, but they can be welded onto any other aluminium metal doors, gates or cabinets.

• Aluminium body
• Stainless steel finger (also called a pin)
• Stainless steel washer
• Fixed pin
• Greased nipple

Features of the Mild Steel Bullet Hinge 

The mild steel Weld On Bullet Hinge has a stainless steel finger inside a stainless steel body. It also comes with a brass washer, rather than a stainless steel washer (as with the aluminium hinge). Since these are normally powder coated after they are welded onto the metal frame (to protect them from rusting) they are not normally noticed, but they are frequently used on truck bodies, cabinet doors and steel toolboxes.

• Mild steel body
• Stainless steel finger (also called a pin)
• Brass washer
• Fixed pin
• Greased nipple

Why are these hinges so popular?

There are many reasons why barrel hinges are popular. One reason is because they can be welded to narrow frames and another is because they can take heavy loads. Their weight bearing capacity is one of the biggest reasons they are well liked and that’s because they are welded on to the frame and door, not attached with screws. Another reason for their popularity is that they can be directly welded on the frame and the door, because they can be separated into two halves. This makes them very functional, particularly when you don’t have much room to work. 

They are frequently used for lift-off doors (which is why they are often called lift-off hinges), however if you want to remove the door, you need to make sure that you weld the barrel without the finger on top. This is because most lift-off doors actually drop after frequent use, so the bottom barrels need to have a superior load capacity. Another benefit of these hinges is that they can be easily lifted off without undoing any screws. This makes them highly functional and very practical for a variety of applications.

A Weld On Bullet Hinge is the perfect choice when you want a low profile hinge with a clean appearance, as well as a secure connection, large weight capacity and a door that can be easily removed. If you have found that you need to constantly replace your current hinges due to wear and tear, a bullet hinge is the perfect choice.

• Strong and can carry heavy loads
• Ideal for narrow frames
• Directly welded on the frame and door
• Perfect when there’s limited room to work
• Easily lifted on and off without removing screws
• Low profile, stylish and secure connection

Installation of the Bullet Hinge

As with any type of hinge, you need to make sure that both parts of the hinge are well aligned, but it’s even more critical with a Weld On Bullet Hinge. That’s because they are tight fitting and any misalignment makes them very difficult to use. One way to ensure this precise alignment is to outline a straight edge on both the metal door and the metal frame, but it’s important to remember that it’s the barrels that need to be aligned. One good tip is to tack-weld the hinges to the frame and door using two tacks for the door and two for the frame. If the gate or door won’t swing fully open or closed, you will need to cut them off, realign and reweld them.

These Weld On Bullet Hinges by Dunn & Watson are a quality product that’s precision-engineered to give a long lasting and durable result. They can be used to replace more conventional hinges that need constant maintenance due to wear and tear and are ideal for a wide range of applications. Popular uses include doors, tailgates, security gates, garden gates, boats, canopies, truck bodies, gates, toolboxes and metal cabinets. Any application where you want a strong hinge for a metal door and metal frame with the ability to remove the door easily or fix it in place if needed – your best option is a Weld On Bullet Hinge.