Description
Retort ring without boss head, Ø 50 mm, stainless steel is an open-form laboratory support ring for holding glassware on retort stands when used with a separate boss head or clamp. The ring has a diameter of 50 mm and a length of 160 mm, offering a slender profile suited to smaller flasks, funnels, and intermediate apparatus in distillation, extraction, or heating setups. Made from stainless steel in an open form, it combines mechanical strength with corrosion resistance for everyday laboratory use. Without an integrated muff, the ring can be paired with the clamp style preferred at the bench, giving flexibility in stand configuration. This single-piece item from manufacturer Witeg is intended for teaching labs, research stations, and routine analytical work where reliable, height-adjustable support is needed. The open geometry facilitates quick placement and removal of vessels, while the stainless construction supports repeated handling and cleaning. Net weight is 0,085 kg, so the ring remains light enough for frequent repositioning during experiment assembly and teardown.
This article is part of Clamps & bossheads, in Stands, clamps & racks.
Key features
- Pack size: 1 pc
- Diameter: 50 mm
- Length: 160 mm
- Design: Open form without boss head
- Material: Stainless steel
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Questions about Rings opened form Ø: 50 mm
What is this article?
Rings opened form Ø: 50 mm is the article on this page. Luminix Health distributes Witeg 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?
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.