![Norms Studio - Cheeseborough Clamp [RGC-FDZXX-112] - Heavy-Duty Cinema Grip Equipment](/web/image/product.image/1075/image_128/Norms%20Studio%20-%20Cheeseborough%20Clamp%20%5BRGC-FDZXX-112%5D%20-%20Heavy-Duty%20Cinema%20Grip%20Equipment?unique=c29b5bb)
![Norms Studio - Cheeseborough Clamp [RGC-SVZAX-112] - Heavy-Duty Cinema Grip Equipment](/web/image/product.image/1076/image_128/Norms%20Studio%20-%20Cheeseborough%20Clamp%20%5BRGC-SVZAX-112%5D%20-%20Heavy-Duty%20Cinema%20Grip%20Equipment?unique=a9e7347)
![Norms Studio - Cheeseborough Clamp [RGC-FDZXX-112] - Heavy-Duty Cinema Grip Equipment](/web/image/product.image/1075/image_1024/Norms%20Studio%20-%20Cheeseborough%20Clamp%20%5BRGC-FDZXX-112%5D%20-%20Heavy-Duty%20Cinema%20Grip%20Equipment?unique=c29b5bb)
![Norms Studio - Cheeseborough Clamp [RGC-SVZAX-112] - Heavy-Duty Cinema Grip Equipment](/web/image/product.image/1076/image_1024/Norms%20Studio%20-%20Cheeseborough%20Clamp%20%5BRGC-SVZAX-112%5D%20-%20Heavy-Duty%20Cinema%20Grip%20Equipment?unique=a9e7347)
1-1/2" Swivel Cheeseborough Clamp (Dual Speed-Rail Coupler)
Heavy-duty professional cinema cheeseborough clamp engineered for rigid 90° grid intersections and 360° compound angle speed-rail rigging. Precision drop-forged carbon steel / 6061-T6 alloy construction with captive Grade 8 1/2"-13 eye-nuts and heavy-duty pivot pins. Provides certified Safe Working Loads of 1,000 lbs (rigid) and 500 lbs (swivel) with 5:1 ASME B30.26 safety factor. Backed by the First-Ever Full Lifetime Warranty.
SKU:
RGC-FDZXX-112
1-1/2" Swivel Cheeseborough Clamp (Dual Speed-Rail Coupler)
Engineering Fact Sheet & Mechanical Specifications
Rigging Fitment & Load Metrics Imperial / Metric
| Pipe Fitment Standard | 1-1/4" & 1-1/2" Schedule 40 (1.660"–1.900" OD) / 2.0" Truss |
| Safe Working Load (WLL) | 1,100 lbs (499 kg) Direct Vertical |
| Normal Clamping Force | 3,600 lbs (16.0 kN) @ 30 ft-lbs Torque |
| Axial Slip Resistance | 1,260 lbs (5.6 kN) Friction Lock |
| Design Safety Factor | 5:1 ASME B30.26 / B30.10 Rigging Standard |
Metallurgy & Fastener Architecture Hardware Standards
| Primary Alloy | 356.0-T6 Cast / 6061-T6 Forged Aluminum |
| Casting Geometry | 360° Non-Crush Circumferential Profile |
| Bolt & Hardware | Grade 8 / Class 10.9 1/2"-13 UNC Captive T-Handle |
| Pivot Pin Metallurgy | 4140 Chrome-Moly Solid Hardened Roll Pin |
| Corrosion Protection | ASTM B841 Zn-Ni Plating (1,000+ Hr Salt Spray) |
System Compatibility & Rigging Integration
Precision engineered for 1-1/4" and 1-1/2" Schedule 40 speed-rail pipe grids, structural box truss, and heavy cinema luminaire rigging.
First-Ever Full Lifetime Warranty on Cinema Grip Hardware
All Norms clamps, hardware, and structural rigging components are backed by an unconditional lifetime warranty against manufacturing defects.
Product Info
| Variations | Half or Fix or Swivel |