Fixed Clamp – Strong & Reliable Scaffold Coupler

NOVSA manufacture Fixed Clamps (also known as Right Angle Couplers) designed to provide a strong 90° connection between two scaffold tubes. Made from drop-forged steel, these clamps ensure maximum safety, rigidity, and load-bearing capacity in scaffolding structures.

NOVSA Fixed Clamp

  • Manufactured from premium-grade forged steel
  • Provides a rigid 90° tube-to-tube connection
  • Heavy-duty load-bearing capacity
  • Available in Zinc-Plated / Hot-Dip Galvanized finish
  • Compliant with BS 1139 & EN 74 standards
  •  Widely used in construction scaffolding, bridges, and high-rise projects

Fixed Clamp – Size & Weight Chart

Tube Size (OD)

Clamp Type

 Weight (Approx.)

Standard 

48.3 mm

Swivel Clamp

Swivel Clamp

BS 1139 / EN 74

48.3 mm × 48.3 mm

Double Swivel Coupler

1.65 – 1.80 kg

1.65 – 1.80 kg

60.3 mm (Optional)

Heavy Duty Swivel Clamp

1.80 – 2.00 kg

Custom / EN 74

The most widely used size is 48.3 mm OD scaffold tube, which is the global standard. Other sizes can be manufactured upon request.

Fixed Clamp – Surface Finish

To enhance durability and resistance against corrosion, NOVSA Fixed Clamps are offered with different protective finishes. These finishes ensure reliable performance in both indoor and outdoor scaffolding projects.

Finish Type

Description

Advantage

Electro-Galvanized (EG)

Zinc coating applied through electroplating for smooth finish.

Cost-effective, good for general use.

Hot-Dip Galvanized (HDG)

Thick zinc layer by dipping in molten zinc for maximum protection.

Superior corrosion resistance, best for outdoor.

 

Powder Coated / Painted

Protective paint available in multiple colours.

Adds aesthetic appeal with medium protection.

Self-Colour (Black Steel)

Natural steel finish without coating.

Suitable for temporary / indoor use.

 

Standards for Fixed Clamp

Standard

Description

BS 1139

British Standard for scaffolding couplers and fittings, widely accepted globally.

EN 74

European Standard for scaffolding couplers, specifying strength & durability.

IS Standards (Optional)

Indian Standards for material quality and scaffolding safety.

Material Grades for Fixed Clamp

Grade

Description

Mild Steel (MS)

Standard grade, suitable for general scaffolding use with good strength.

Carbon Steel

Higher tensile strength, ideal for heavy-duty applications.

Forged Steel

Premium grade, excellent toughness, maximum load-bearing capacity.

Surface Finish

Available in Zinc-Plated / Hot-Dip Galvanized for corrosion resistance.