Quick Answer: The Standard Boss Head, Pressure Die Cast, Aluminium joins clamps, rings and rods to a retort stand at a fixed 90-degree angle. It takes rods up to 16 mm and is tightened with zinc-plated steel thumb screws.
Last updated: October 2026
Key Features
Fixed 90-degree (right-angle) clamping
Takes rods up to 16 mm
V-grooves give three-point contact on the rod
Zinc-plated steel thumb screws with plastic or metal heads
Die-cast aluminium alloy with epoxy powder coating
Technical Specifications
Specification
Value
Material
Die-cast aluminium alloy
Orientation
Fixed 90-degree (right angle)
Rod capacity
Up to 16 mm
Screws
Zinc-plated steel thumb screws, plastic or metal heads
Finish
Epoxy powder coating
Internal grooves
V-grooves for three-point contact
About This Product
A boss head is the connector that lets a clamp or ring be fixed across a retort stand rod at any height. Students use it to build titration, distillation and filtration set-ups, tightening the thumb screws by hand without tools.
Frequently Asked Questions
What rod size does the boss head fit?
It accommodates rods up to 16 mm in diameter and holds them at a fixed right angle.
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