C & J Scaffold Service Coupling Pin with 1/8 in. Collar, 1-5/16 in., Steel Scaffold Accessory

This C & J Scaffold Service coupling pin joins scaffold frame sections vertically, with a 1/8 in. collar and a 1-5/16 in. diameter body. It is sold as a single piece. The pin drops into the frame tubing of stacked scaffold frames to keep sections aligned and connected.

Key Features:

• Frame alignment pin: The coupling pin connects stacked scaffold frame sections in a vertical run.
• 1/8 in. collar: A 1/8 in. collar controls how far the pin seats into the frame tube.
• 1-5/16 in. size: The pin is sized at 1-5/16 in. to match matching scaffold frame tubing.
• Single-piece unit: The item is sold individually, one coupling pin per order unit.

Specifications Table:

Fit and Compatibility:

The 1-5/16 in. diameter with 1/8 in. collar is made to pair with scaffold frames that accept that pin size. Frames, braces, and other scaffold components are sold separately; verify pin diameter against your existing frames before ordering.

Frequently Asked Questions (FAQ):

Q: What does this pin do?
A: It couples stacked scaffold frame sections, aligning the upper frame with the lower one at the vertical joint.

Q: What are the pin’s dimensions?
A: The pin is 1-5/16 in. in size with a 1/8 in. collar as listed in the product name.

Q: How many come in an order?
A: The item is sold each, so one order unit is a single coupling pin.

Q: Will it fit my frames?
A: Check that your scaffold frames accept a 1-5/16 in. coupling pin with 1/8 in. collar before purchasing.

Q: Is any hardware included?
A: No additional hardware is listed; the unit is the coupling pin itself.

Expert Verdict Reviewed by the SuperArbor Pro Desk

Coupling pins are consumable scaffold hardware that commonly go missing between jobs, so buying spares is practical. Ensure the pin’s spring clip or collar keeps it captive in the lower frame before stacking, and inspect pins for wear or bending before each use. Match pin diameter to the frame tubing; a loose pin compromises frame alignment.

Never stack scaffold frames without fully seated, undamaged coupling pins, and inspect each pin for cracks or deformation before use.

Order the C&J 1-5/16 in. coupling pin with 1/8 in. collar to keep your scaffold frames aligned.