SuperThread Fiberglass Threaded Rod
Fiberglass Form Tie-System
Say goodbye to corrosion forever. Easier to use, saves time, and less expensive than traditional steel form ties. SuperTie™ patented fiberglass form tie-systems are used to secure concrete formwork during concrete placement and initial hydration, without the inherent limitations and rusting of previously popular steel form-tie systems.
- Reduced Labor Costs – No plugging, patching or sacking.
- Reusable Parts – Simply strip hardware from form, reuse over 100 times.
- Variety of Colors – We offer colors to blend with the wall. Custom colors available.
- Superior Finishes – Eliminates rust and corrosion. Strips flush to concrete.
- Reduced Inventory – One SuperTie™ fits any wall width.
- Electromagnetically Transparent – Ideal for situations where interference is undesirable.
Product Overview
SuperThread Fiberglass Threaded Rod is offered in a 3/8” diameter size and it is a 3,000 pounds safe working load fiberglass tie. Commonly used with job-built (plywood and 2×4) forms and handset modular forms. These specific SuperThread fiberglass ties will never rust, eliminating the need for break-back, plugging, and works well with anything from handset wall forms to crane-set gang-form systems.
- No Rust – No need for break-back, plugging, and patching.
- Flexible Usage – For handset wall forms to crane-set gang-form systems.
Always use 2:1 safety factor when engineering tie spacings; refer to the ACI-suggested tie spacing noted in the SuperTie Installation Guide.
Product Details

15K SuperTie™ Smooth Fiberglass Rod
SuperThread Fiberglass Rod STR375 will never rust, eliminating the need for break-back, plugging, and patching. SuperThread Fiberglass Rod System is offered in grey color.

SuperTie™ Gripper GND15000
SuperThread Steel Nut to be used with the 3/8” SuperThread Fiberglass Rod. (Do not use any non-RJD engineered Form Fixture/Hardware with RJD fiberglass rod, this could result in form failure and/or injury.)

SuperTie™ Bearing Plate BP615
The Bearing Plate is a required component with the SuperThread Steel Nut. BP615 is a 4”x4” steel plate.
Component List
| PRODUCT # | DESCRIPTION | PACKAGING | SHIP WT |
| STR375 2'-8" | 3/8"x32" SuperThread 6K Fiberglass Rod, 3,000 Lbs. Safe Working Load, grey color. |
50 per box (total 133 feet) |
11 lbs. per box |
| STR375 3'-0" | 3/8"x36" SuperThread 6K Fiberglass Rod, 3,000 Lbs. Safe Working Load, grey color. |
50 per box (total 150 feet) |
12 lbs. per box |
| STR375 3'-4" | 3/8"x40" SuperThread 6K Fiberglass Rod, 3,000 Lbs. Safe Working Load, grey color. |
50 per box (total 166 feet) |
13 lbs. per box |
| STN375 | SuperThread Nut | 100 per bucket | 0.33 lbs. per piece |
| BP615 | Bearing Plate | 50 per box | 1.1 lbs. per piece |
| SC6000 | SpreaderClip | 100 per bag | 8 oz. per bag |
For custom rod lengths and/or custom colors, please call for quote and lead times.