Products
What is non-welded square joint?
What is non-welded square joint?
A product that connects square pipe without the need for welding when building steel structures, and the joint & bolt/nut fastening makes it easy for users to assemble the structure they want.
How to Assemble
- Step 1
- Fit in the joint in assembly order
- Step 2
- Wrench bolts and tightening
- Step 3
- Assembly completed
How to cut square pipe

There is 27mm empty space for square joint.


When the outer diameter is 1,000 mm, the length of the pipe to be cut is 886 mm
(1000 - 114 = 886)
Patent Registration
Two-H Joint is a product that holds patents for its function and shape both domestically and abroad.
- Patent
- No. 10-1814053
- Application
- No: 10-2016-0098633
The production and sale of an invention registered as a creation of technical ideas at the Korean Intellectual Property Office, it is a matter of infringement of patent rights, and we will actively respond in the case of unauthorized imitation.

Advantages of non-welded square joint

01 Detachable structure
- Detachable structure makes it easy to assemble and disassemble
- easy to modify & complement, and usable semi-permanently.

02 Protrusion-free design
- Safe to use as it does not protrude

03 Guide hole for increased work convenience and robustness (Guide hole) optional
- Using a self-drilling screw, used in the following situations
- Easy assembly by provisional
assembly when working on large structures -
- improved robustness when loading heavy objects
(200kg based on 1000mm pipe) -