Quick Answer: The Boss Head Square Type is a clamp holder that joins clamps, rings and rods to the vertical rod of a retort stand at a fixed right angle. Its die-cast alloy square body takes rods up to 16 mm.
Last updated: October 2026
Key Features
Square body gives the tightening screws a larger contact area for a firm, non-slip hold
Two thumb screws: one locks onto the stand rod, one onto the attachment
Holds the support rod and the horizontal attachment at a fixed right angle
Die-cast metal alloy body with an epoxy powder-coated finish
Accepts laboratory rods up to 16 mm diameter
Technical Specifications
Specification
Value
Type
Square-body boss head / clamp holder
Material
Die-cast metal alloy
Maximum rod diameter
16 mm
Locking mechanism
Nickel-plated / powder-coated steel thumb screws
Orientation
Fixed angle
Finish
Epoxy powder coating
About This Product
A boss head is the joint that lets one retort stand carry a burette clamp, a ring or a cross rod. It is used in distillation and titration set-ups, in mechanics practicals that need a horizontal rod, and wherever glassware must stay in position on a stand for the length of an experiment.
Frequently Asked Questions
What size of rod does the Boss Head Square Type fit?
It accommodates rods up to 16 mm diameter, the usual size for laboratory retort stand rods.