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Top Clamp, Medium

Top Clamp, Medium

While the design of this fitting is optimized for suspending glass in a vertical orientation via through holes in the panels, Top Clamps may be used with any number of substrates in the same manner. This is one of three items that are designed for this purpose. There are both a smaller and a larger model.

A cable from above, and supported by a pier or track, is brought down to the upper edge of a panel and inserted into the cable hole at the top of the Top Clamp. Two supplied set-screws are then tightened against the cable. Next, a panel, or glass “lite”, is brought to the clamp side of the Top Clamp. The clamp is partnered with a set-screw (supplied) that must pass through the panel. To protect glass from chipping against the metallic screw, two bushings are supplied.

This medium sized Top Clamp is compatible with 1/4” (6 mm) monolithic glass sheet. These measurements also would apply to other substrates where you would choose to use bushings to protect the panel. When bushings are not required, this Top Clamp is compatible with panels of most any substrate up to 5/16" (8.0 mm) thick. See downloadable documents below, for more compatibility dimensions.

It is also possible to invert a second pair of Top Clamps and attach to a second set of holes on the bottom edge of a display panel. Cables from these lower clamps can then continue to a lower fixed point to hold the assembly in tension. The lower end of the cables would be determined by the attachment at either of Fixed Piers or Ceiling Track and Cable Tensioners. A Ceiling Track would be inverted to be used in a lower position. In this way a room divider could be fashioned quite easily. Both sides of the panels could be finished and display material could be equally effective on both sides. Likewise, there could be a second panel below the upper one and both could be held in tension from a pair of cables. See Application Guide below.

All supplied screws are made of stainless steel for years of service with no maintenance issues.

Panel Compatibility

Glass Panels (use supplied bushings*). See Compatibility Guide for panel thicknesses.
1/4 in. / 6 mm

Non-glass Panels (without bushings). See Compatibility Guide for panel thicknesses.
Minimum: 1/4 in. / 6.0 mm
Maximum: 5/16 in. / 8.0 mm

Through-Hole Diameter and Placement. See Design Bulletin for reference dimensions.
w/Bushing: 3/8 in. / 9.5 mm
w/o Bushing: 3/16 in. / 4.8 mm

*Bushing must be used with any glass panels. Bushings may be used with other panel substrates where it is desired to avoid the metallic screw from contacting the panel.


Rated Strength
150 lbs (68 Kg)

The design of this product is  

Top Clamps Installation Guide.

Learn more about this product on our blog

Tensioned Cable System sku:H3046 AS Hanging Systems 6.0500

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