With just a torque wrench, anyone can easily cut and connect
Enables safe and quick replacement work!
Connecting Links for Large Size Conveyor Chain
Screw Lock Link

Screw Lock Links solves these common problems
when cutting and connecting large size conveyor chain!
Previous cutting and connecting methods...
Hammer work is dangerous

Work involving impact carries the risk of workplace accidents. Depending on how you hit the hammer, fragments may fly off and injure your eyes or accidentally hit your hand.

Screw Lock Links...
no hammering required

Cutting and connecting can be done with just a torque wrench, eliminating the need for dangerous hammer work. Contributing to a safe workplace.
Previous cutting and connecting methods...
Poor articulation may occur.

When connecting, it was difficult to adjust the position of the outer plate, which tended to cause poor articulation due to the outer plate pushing in too far. Poor articulation can cause problems. If the outer plate is pushed in too far, the connection may have to be made all over again....

Screw Lock Links…
prevents improper installation

The tapered structure allows precise positioning of the plates, so proper connection can be made simply by tightening the nut to a predetermined torque. This helps to prevents improper installation and reduce unnecessary labor.
Previous cutting and connecting methods…
Chain can’t be repaired quickly if there’s a problem.

This requires more work hours, which results in longer line downtime and affects productivity. In order to respond quickly to problems, it may be necessary to arrange for workers…

Screw Lock Links…
can be recovered quickly

Anyone can easily cut and connect, so there is no need to arrange for workers. Keeping these as spare parts will enable quick recovery and minimize production losses.
Previous cutting and connecting methods…
Requires a lot of tools and jigs.

As the chain becomes larger, larger tools and jigs may be required…
The cost and man-hours involved in arranging tools and jigs are also burdensome.

Screw Lock Links…
with just a torque wrench, anyone can easily cut and connect

Since all you need is a torque wrench, there is no need for large-scale tools or jigs, which leads to a reduction in costs and work hours. Easy to cut and connect even in difficult narrow spaces or lifting equipment.
Structural comparison
Screw Lock Link

Standard outer link

2 types of nuts available
A short type with a minimized pin length is also available.


※Hardlock is a trademark of Hardlock Industry Co., Ltd.
Screw Lock Link vs Standard outer link Video of replacement work comparison
↑ Play video
Product Lineup
Product name
Screw Lock Link
Applicable series
- Compatible with various specifications such as DT series and AT series.
Catalog size
- RF10 tons, 12 tons, 17 tons, 26 tons, 36 tons, 52 tons, 60 tons, 90 tons
- Sizes (RF08 tons, RF120 tons, imperial, etc.) and specifications (stainless steel series, etc.) other than those listed above may also be manufactured. Please consult us.
Contact Information
Online Inquiries
For inquiries in English, visit the Inquiries page on our Tsubaki Group website.