Mounting Location Mounting Location | Show |
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Mounting Location Mounting Location | Hide |
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System of Measurement System of Measurement |
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Material Material |
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Adjustability Adjustability |
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Ball Diameter Ball Diameter |
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Color Color |
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![]() | Black |
Rotation Range of Motion Rotation Range of Motion |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Mounting Hole Diameter Mounting Hole Diameter |
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Ball Material Ball Material |
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For Pin Diameter For Pin Diameter |
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Finish Finish |
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Heavy Duty Positioning Arms
Heavy duty construction adds strength for higher load capacities than other positioning arms. Choose a complete arm or select a base, connectors, and plate, bracket, or tray to build a complete arm. The load capacity of an assembled arm is determined by the component with the lowest capacity.
For technical drawings and 3-D models, click on a part number.

Rail-Mount
Pin Base
Pin bases are for use with rigid and counterbalancing connectors. Wall- and T-slot rail-mount pin bases do not include fasteners for T-slotted framing.
Mount. | ||||||||||||||
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Mount. Location | For Single T-Slot Rail Ht. | For Double, Quad T-Slot Rail Ht. | Lg. | Wd. | Ht. | For Pin Dia. | Max. Load Capacity, lbs. | Material | Color | Fasteners Included | No. of Holes | Hole Dia. | Each | |
Wall, T-Slot Rail | 1 1/2", 30mm, 40mm, 45mm | 3", 60mm, 80mm, 90mm | 3" | 2" | 4 1/2" | 7/8" | 50 | Powder-Coated Steel | Black | No | 2 | 13/32" | 00000000 | 000000 |
Wall, T-Slot Rail | 1 1/2", 30mm, 40mm, 45mm | 3", 60mm, 80mm, 90mm | 7 1/8" | 2 1/2" | 6" | 7/8" | 75 | Powder-Coated Steel | Black | No | 3 | 13/32" | 00000000 | 000000 |
Ball-Grip Positioning Arms

Ball-and-socket connections allow 360° positioning. Choose a complete arm or select a base, connectors, and a plate, grip, holder, or tray to build a complete arm.
For technical drawings and 3-D models, click on a part number.

For T-Slot Rail Ht. | |||||||||||
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Mount. Location | Single | Double, Quad | Ht. | Ball Dia. | Max. Load Capacity, lbs. | Material | Ball Material | Base Dia. | Mount. Fasteners Included | Each | |
T-Slot Rail | 1", 30mm, 1 1/2", 40mm, 45mm | 2", 60mm, 3", 80mm, 90mm | 2 1/4" | 1 1/2" | 3 | Steel | Rubber | 1 1/2" | Yes | 00000000 | 000000 |