Description
Retort rings with boss head, approx. 100 mm Ø, are practical laboratory support components used to hold round-bottom flasks, funnels and other glassware securely on a retort stand. The integrated boss head (muffe) allows quick attachment and height adjustment on standard laboratory rods, giving stable positioning during heating, filtration or reaction setups. Supplied as a single piece, this ring offers a clear working diameter of approximately 100 mm, making it suitable for medium-sized vessels commonly found in teaching, analytical and research laboratories. The robust construction typical of laboratory hardware from manufacturer Hecht ensures reliable clamping force and long service life under everyday bench conditions. These rings form part of the essential retort-stand accessory range and integrate easily with existing stands, clamps and bosses. Ideal for chemistry, biochemistry and general laboratory workflows where controlled elevation and secure support of glass apparatus are required, the approx. 100 mm retort ring provides a straightforward, durable solution for organising experimental setups without unnecessary complexity.
This article is part of Clamps & bossheads, in Stands, clamps & racks.
Key features
- Pack size: 1 pc
- Product type: Retort ring with boss head
- Diameter: approx. 100 mm
- Design: Integrated muff / boss head
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Questions about Rings for stands with bosshead ca. 100 mm Ø
What is this article?
Rings for stands with bosshead ca. 100 mm Ø is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Clamps & bossheads, inside Stands, clamps & racks, in Matériel de laboratoire.
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 Matériel de laboratoire.
Shelves beside this one are Test tube racks, Stands, rods & bases and Stand & rack accessories.
What should I check before I order?
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.

