Kupo

Kupo KG012412 5/8in Baby Stud with 1/4in-20 Male Adapter

8in4in

One compact stud, two essential standards — this Kupo baby pin bridges 5/8" grip hardware and 1/4"-20 accessories so your monitor mounts exactly where the shot needs it.

$9.95*
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*Price sourced from Amazon.com. Last updated:Oct 07, 2026.Price and availability are subject to change — details.

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Overview

The Kupo KG012412 occupies a critical but often overlooked position in a working grip kit — it's the bridge piece that lets your 5/8" grip infrastructure support the 1/4"-20 accessory world of monitors, articulating arms, and camera accessories. On a stills set, it means your C-stand can hold a monitor arm base without a chain of adapters. On a video rig, it seats cleanly into any baby receiver and offers an immediate, standardized attachment point for a wide range of on-set accessories. The 3.5" length is well-chosen: enough to clear the knuckle assembly without adding unnecessary rig depth.

What separates the Kupo from economy alternatives is the material choice: solid steel holds its geometry through the repetitive tightening and releasing cycles that accumulate fast on a busy production. Aluminum adapters in this role tend to develop micro-play over time as the receiver contact surfaces wear — steel resists that drift. It's a small detail that matters when you're trusting a monitor's position to stay where you aimed it through a full day of shooting. For photographers and videographers building a reliable grip kit, stocking several of these in different setups pays dividends every time you need a clean, fast mounting solution.

Key Features

SPECIFICATIONS: Steel baby stud mounting pin with standard 5/8" interface, 3.5" length, and integrated 1/4"-20 male thread for monitor and grip mounting in photography and video production.

COMPACT MOUNTING SOLUTION: 3.5" length provides sufficient reach while maintaining a low profile for clean, controlled setups.

STANDARD THREAD INTERFACE: 1/4"-20 male thread supports direct attachment of monitors, accessories, or mounting hardware.

DURABLE STEEL BUILD: Solid steel construction ensures strength and long term reliability during repeated professional use.

ESSENTIAL GRIP COMPONENT: Ideal for photographers and videographers needing dependable mounting pins for monitors and grip accessories.

Specifications

Stud Diameter
5/8" Baby Stud
Thread
1/4"-20 Male
Length
3.5 inches
Material
Steel
Compatible Interface
5/8" Baby Receiver (grip heads, C-stands, light stands)

Frequently Asked Questions

Yes. The 5/8" baby stud is the universal grip standard — it seats directly into any baby receiver on a C-stand arm, grip head, or light stand. That's the broad end of the stud, and it locks in with the same knuckle tightening you already use for every other grip component on set.
Any accessory with a 1/4"-20 female receiver — small monitors, magic arm bases, articulating arms, cold shoe adapters, and a wide range of camera accessories. It's the same thread as a standard tripod mount, so the compatibility list is extremely wide.
For most single-monitor arms and articulating arm bases, yes. The 3.5" length provides enough reach to clear a knuckle assembly while keeping the rig compact. If you need extended reach away from the stand or into a tight rig configuration, an additional arm extension may be needed.
The solid steel construction handles the repeated tightening, repositioning, and load cycles of a working production without developing the play that aluminum develops over time. For a component that gets touched dozens of times a day, steel construction directly affects how long the stud stays tight and precise in a receiver.
Yes, provided the boom stand or arm has a baby receiver. The stud seats into the receiver and the 1/4"-20 thread accepts most small light bases, shoe adapters, or lightweight accessory mounts. Confirm the weight rating of your specific arm for heavier accessories.