20+ Years of Experience
Technology Fasteners, Hardware, Solar Mounting Fixings

So, what can you actually use these for?

Basically, think of these double-headed screws as the ultimate "connector" piece. They're perfect for those times when you need to join two things together with a sturdy, threaded post in the middle.

Here are the most common spots you'd use one:

• Attaching stuff to bigger machines: Need to mount a smaller part, like a guard or a sensor, onto a large piece of equipment? Screw one end into the main body, slide your part on, and secure it with a nut on the other end. It's ideal for parts you might need to remove later for service.

• Joining thick materials: When a regular bolt is too short or just awkward for chunky components, this is your simple fix.

• Hanging things securely: A specific type, often called Dowel Hanger Bolts, is awesome for hanging pipes or equipment from concrete ceilings or beams, working just like heavy-duty concrete anchors.

You'll find them everywhere from car factories and power plants to big construction sites.

How are they made? (The simple version)

It's a pretty cool process that turns basic metal rods into the precise parts we need.

1. Start Simple: It all begins with a straight metal rod. It gets cleaned up, cut to your exact length (from a tiny 5mm to a long 200mm), and then the real magic happens.

2. Creating the Threads: The cut pieces are fed into a machine that uses super-hard dies to "squeeze" the threads onto both ends. This rolling process makes the threads stronger than if they were just cut.

3. The Finishing Touch: To fight rust and make them last, they get a protective coat. This could be a shiny zinc plating, a sleek black finish, or other tough coatings for harsh environments.

And about getting a sample to try out...

We can't see the specific sample policy from here—that's always up to the individual supplier. But getting a sample to test-fit is usually pretty easy!

Your best move is to:

• Browse online on industrial supplier websites.

• Just ask! Reach out directly to a few manufacturers.

• Be specific when you message them: "Hey, I'd like to test a sample of your double head screw, maybe an M8 size, 50mm long, with zinc plating." They'll let you know their policy.