1 1/2" (G40) C17 Ground Support Tube/Pipe Clamp

The Ground Support is designed to provide a base that can be cast into the ground to support a post. The post is removable. It is recommended that this fitting be used in accordance with maximum post centre dimensions.

The G40 48.3mm range of tube clamps are designed to fit 48.3mm OD (1 1/2" NB) tube.

The G40 is the conventional scaffold size of tube clamps and is suitable for guardrail applications, safety barriers, trolley bays and racking systems.

Standard: BS EN 1562:1997, grub screw to BS EN 1563:1997

Material: Main body - malleable iron, screw - ductile iron

Hot dipped galvanised to BS EN ISO 1461:1999.

Suitable for use with steel tube to BS EN 10255 and BS1387.

Size Conversion

Kee Klamp® - Size 8
Tubeclamps™ - Size D
Q Clamp® - Size 4
Intercamp® - D48


Fitting No.Fitting SizeMetric Tube SizeImperial Tube Size
G321 1/4"32mm 1 1/4"
G401 1/2"40mm1 1/2"