
Kupo KG090912 Double-Ended Spigot
Bridge any 5/8" baby pin receiver to a 1/4"-20 threaded accessory with this solid brass double-ended spigot built for the demands of professional production rigging.
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Notice a mistake? Let Us Know
Overview
Key Features
SPECIFICATIONS: Solid brass double-ended spigot featuring a 5/8" baby pin on one end and a 1/4"-20 threaded stud on the other with knurled neck for secure mounting.
DUAL INTERFACE DESIGN: Connects equipment with 5/8" receivers to cameras or accessories with 1/4"-20 threads.
SECURE BABY PIN FIT: 5/8" baby pin seats firmly in clamps and receivers for stable mounting.
KNURLED GRIP SURFACE: Knurled neck improves friction for secure tightening and adjustment.
DURABLE BRASS CONSTRUCTION: Solid brass build ensures strength, durability, and long service life in professional use.
Specifications
Pros & Cons
👍 Pros
- Solid brass construction maintains thread integrity through thousands of insertion and removal cycles, resisting the galling and deformation that shortens the life of aluminum spigots under repeated use.
- The dual-interface design — 5/8" baby pin on one end, 1/4"-20 on the other — solves a genuine rigging problem by bridging the two most common mounting thread systems in professional production.
- The knurled neck section provides real hand-tightening torque, which speeds up rigging operations and reduces dependence on tools for basic setup and adjustment.
- Compact form factor adds negligible weight and bulk to a grip bag while meaningfully expanding what can be mounted where on set.
- Industry-standard thread sizing ensures compatibility across virtually the entire ecosystem of grip hardware, clamps, and camera accessories without adapter stacking.
👎 Cons
- The solid brass construction makes this heavier than equivalent aluminum spigots — a minor consideration for a single piece, but noticeable when carrying multiples in a grip bag over a long day.
- There is no locking mechanism or set-screw on the 1/4"-20 end, which means accessories subject to vibration or repeated adjustment may require periodic re-tightening to maintain secure positioning.
- The single fixed geometry — baby pin to 1/4"-20 only — means it cannot serve as a 5/8"-to-5/8" or 1/4"-to-1/4" adapter, requiring separate hardware for other thread-bridging scenarios.
- The knurled neck improves grip but does not provide a wrench flat, so applying maximum tightening torque with a tool is not practically possible without risking surface damage.