Kupo

Kupo KG091612 3.5 inch Baby Stud with 3/8in-16 Thread

3.8 (11 reviews)
3.5 inch8in

Securely Mount Your Equipment with the Kupo 3.5 inch Baby Stud The Kupo 3.5 inch Extra Long 5/8in Baby Stud is a versatile mounting adapter designed for professional photographers and videographers. Featuring a 3/8"-16 male thread and a 5/8" baby stud, this adapter allows you to securely attach ...

$10.95*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Securely Mount Your Equipment with the Kupo 3.5 inch Baby Stud

The Kupo 3.5 inch Extra Long 5/8in Baby Stud is a versatile mounting adapter designed for professional photographers and videographers. Featuring a 3/8"-16 male thread and a 5/8" baby stud, this adapter allows you to securely attach lights, monitors, and other accessories to grip heads, clamps, and stands. Its durable construction and knurled finish ensure reliable performance in any shooting environment.

Key Specifications:

  • Length: 3.5 inches
  • Stud: 5/8" Baby Stud
  • Thread: 3/8"-16 Male Thread (25.4mm in length)
  • Material: Lightweight Aluminum
  • Features: Knurled neck, Thread fixed by pin

Key Features

SPECIFICATIONS: Aluminum baby stud adapter featuring a 3.5" long 5/8" baby pin, 3/8"-16 male thread, knurled neck, and fixed-thread construction for rigging applications.

EXTENDED STUD LENGTH: Extra-long 3.5" baby pin provides added clearance for complex rigging setups.

DUAL INTERFACE DESIGN: Combines a 5/8" baby stud with a 3/8"-16 male thread for broad compatibility.

ANTI-TWIST KNURLED NECK: Knurled surface helps prevent rotation and maintain secure positioning.

LIGHTWEIGHT ALUMINUM BUILD: Aluminum construction balances strength and reduced weight for professional use.

Specifications

Material
Aluminum
Baby Pin Length
3.5"
Baby Pin Diameter
5/8"
Thread Size
3/8"-16 Male
Neck Feature
Knurled
Construction Type
Fixed-thread
Purpose
Baby Stud Adapter

Pros & Cons

👍 Pros

  • Features an extended 3.5" baby pin, providing additional clearance for more flexible and complex rigging setups.
  • Offers a dual interface design combining a 5/8" baby stud with a 3/8"-16 male thread for broad compatibility with various lighting and grip accessories.
  • Equipped with an anti-twist knurled neck, which helps prevent rotation and ensures secure positioning of mounted equipment.
  • Constructed from lightweight aluminum, balancing strength with reduced weight, making it suitable for professional use where portability is key.
  • Utilizes fixed-thread construction for rigging applications, enhancing stability and reliability during operation.

👎 Cons

  • The 3/8"-16 thread size is specific, meaning it won't directly fit accessories requiring a 1/4"-20 thread without an adapter.
  • While lightweight, aluminum may not offer the same ultimate load-bearing capacity as steel for extremely heavy setups.
  • The 3.5-inch length, while extended for clearance, might be excessive for simpler, more compact rigging needs.
  • The knurled neck provides anti-twist properties, but it's not a locking mechanism, so external clamps are still needed for secure attachment.
  • Being an adapter, it adds an additional connection point to a rig, which could introduce potential points of failure if not properly secured.

Frequently Asked Questions

The Kupo KG091612 features a 3.5" long 5/8" baby pin, providing extended length for various rigging needs.
This adapter is equipped with a 3/8"-16 male thread, offering compatibility with a range of professional equipment.
The knurled neck on the adapter is designed to help prevent rotation and maintain secure positioning, which is crucial for rigging applications.
This stud adapter is constructed from lightweight aluminum, balancing strength with reduced weight for professional use.
Yes, its dual interface design combines a 5/8" baby stud with a 3/8"-16 male thread, allowing for broad compatibility with various lighting and grip accessories.