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Interclamp 750 Assist Expanding Fitting

750 assist expanding fitting with male lug attached to a 173F swivel designed to attach a freestanding galvanised handrail to an upright at a variable angle.

The top section of the fitting expands into the galvanised handrail tube and is primarily used to join two lengths of handrail tube together. Where no joining of handrail tube is required look at the 751 fitting instead. The173F female swivel fixes onto the top of the upright posts and in conjunction with the bolt and nut supplied you can adjust the horizontal rail to the desired angle.

The 750 fitting is supplied with the 750M top expanding bracket, 173F swivel female, and a bolt and nut unassembled.

Product Data & Dimensions

Sizea (mm)b (mm)c (mm)Weight (Kg)Box Qty*
C42253225.40.9532
D48---1.02732
C42/D48---1.17732

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Five different size ranges of galvanized Interclamp handrail fittings are available as shown in the table, hence a suitable size can be selected for any particular application. Interclamps are easily identified by a type number of each design eg. 125 followed by a size code eg. D48, the latter part of which corresponds with the approximate outside diameter of the handrail tube to be used (48.3mm = 1 ½" nominal bore in this case). Hence a 90° elbow suitable for an 1 ½" nominal bore tube in this example would be denoted as a 125-D48.

Interclamps are designed for use with steel pipe, such as gas and water tube. If you are looking to use aluminium alloy or other tubes with our system, it should be ensured that the outside diameter matches one of those shown in the table below and that they are of a suitable structural strength.

Should you require further guidance on the correct choice of Interclamp size for your particular application or design load specification, please take advantage of our wealth of experience in the selection of steel tubes and clamps gained over many years. If your structure has to comply with a particular client, national or international standard, please specify this in your enquiry.

 SizeTube Nominal BoreTube Outside Diameter
A27¾"26.9 mm
B341"33.7 mm
C421 ¼"42.4 mm
D481 ½"48.3 mm
E602"60.3 mm

Interclamp tube clamp size guide

Image for illustrative purposes only, not drawn to scale.

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