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Black anodised aluminium ball, 26 mm diameter, removable knurled knob, 1/4-20 male thread

Kupo

Kupo Super Knuckle Ball 1/4"-20 Male Thread Black 26mm

SKU CH-5TGB-A5YZD

A 26 mm aluminium ball joint with a 1/4"-20 male thread and removable knurled knob for secure camera positioning

  • Secure positioning with superior grip and robust design
  • Stable support for varied rigs via high load capacity
  • Long-lasting reliability from CNC aluminum and steel build
  • Quick angle changes using removable knurled knob
  • Broad compatibility with standard 1/4"-20 male thread

Precision Mounting Accessory

The Kupo Super Knuckle Ball is a compact aluminium and steel mounting component built for photographers and videographers who need a secure, adjustable connection between a camera rig and a support system. Its 26 mm CNC-machined ball and standard 1/4"-20 male thread fit directly into most camera bases, while the removable knurled knob allows quick repositioning on set without tools.

Thermal And Power Profile

As a passive mechanical joint the unit generates no heat, draws no power and produces no audible noise during operation. The anodised aluminium body and steel stud simply transfer load between components, so thermal management and electrical consumption are irrelevant to its function.

Sustained Load Behaviour

Under continuous use the all-metal construction resists creep and maintains clamping force without the relaxation seen in plastic-fitted alternatives. The knurled knob can be retightened by hand at any time, ensuring the camera angle stays fixed throughout long shooting sessions.

How it compares

Measured against everything we stock in Photo Lighting & Studio Flashes, at today’s prices. Recalculated every night.

Price $26.99
Cheaper than about 80% of the 3,696 comparable items (median $57.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the Kupo Super Knuckle Ball onto my camera and what step is often missed?

Screw the 1/4"-20 male thread into the camera base, then adjust the removable knurled knob so it seats fully in the female thread depth before tightening the ball clamp.

What maintenance or replacement will the Kupo Super Knuckle Ball need over time?

The anodized aluminum ball and steel stud resist corrosion; periodically check the knurled knob threads for wear and clean any grit from the clamping surface to maintain grip.

What limit appears first when the Kupo Super Knuckle Ball is used continuously under load?

The 26 mm aluminum ball diameter sets the clamping surface area, so sustained heavy loads will eventually overcome friction at the ball joint before the steel thread yields.

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