Description
Aluminium rectangular double boss head is a laboratory clamp fitting used to join and secure rods within frame and stand assemblies. Fitted with clamping screws, it accepts rods up to a diameter of 16,5 mm, supporting flexible construction of apparatus holders and scaffolding. Supplied as a single piece, the rectangular double-boss geometry allows two rods to be fixed relative to each other for right-angle or parallel arrangements as required by the experiment. Manufactured by Bochem, this accessory is intended for standard laboratory retort stands, frames and modular support systems. Aluminium construction keeps the component light while retaining sufficient rigidity for typical glassware and small equipment loads. Research, teaching and quality-control laboratories use double boss heads when assembling custom supports for condensers, dropping funnels, reaction vessels or sensors. The integrated clamping screws enable quick repositioning and secure locking without specialised tools. Compatibility with rod diameters up to 16,5 mm ensures straightforward integration into existing support kits, helping laboratories expand or reconfigure bench setups with minimal additional hardware.
This article belongs on Clamps & bossheads, in Stands, clamps & racks.
Key features
- Pack size: 1 pc
- Material: aluminium
- Design: rectangular double boss head
- Rod capacity: up to Ø 16,5 mm
- Features: with clamping screws
- Weight: 0,095 kg
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Questions about Aluminium rectangular double boss head, With clamping screws,, 1 unit(s)
What is this article?
Aluminium rectangular double boss head, With clamping screws,, 1 unit(s) is the article on this page. Luminix Health distributes Bochem for laboratory use. It sits in Clamps & bossheads, inside Stands, clamps & racks, in Labware.
A bosshead grips the rod. A clamp grips the flask or the condenser, usually through two jaws with cork or vinyl faces. Three-finger and two-finger clamps hold different shapes. The jaw opening is the specification.
A stand, a clamp and a rack hold something still so the hands can do the work. A bosshead locks a clamp to a rod. A test-tube rack keeps tubes upright and in an order the operator can read back. The failure is almost always mechanical: the clamp slips, or the rack does not match the tube diameter. The glass they support is indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stands, clamps & racks. The sub-category is Clamps & bossheads. The catalogue is Labware.
Shelves beside this one are Test tube racks, Stands, rods & bases and Stand & rack accessories.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

