Description
Three-finger clamp 0-40 mm is a laboratory retort-stand accessory engineered for secure, gentle holding of glassware, electrodes and cylindrical apparatus. The adjustable three-finger jaws open from a minimum span of 0 mm to a maximum of 40 mm, allowing firm fixation of narrow tubes as well as wider vessels. Manufactured from zinc die-cast and finished with a protective plastic coating, the clamp combines mechanical strength with surface protection that reduces the risk of scratching delicate glass or plasticware. With a net weight of only 0,120 kg it remains light enough for everyday bench work yet rigid enough for stable mounting. This model from manufacturer Usbeck belongs to the classic range of stand clamps and electrode holders used in chemistry, biology and teaching laboratories. The plastic-coated jaws distribute pressure evenly, making the clamp suitable for both short-term and prolonged experiments. Its compact design integrates easily into standard laboratory scaffolding systems, supporting reliable set-ups for titrations, distillations or sensor positioning without adding unnecessary bulk.
This article is part of Clamps & bossheads, in Stands, clamps & racks.
Key features
- Pack size: 1 pc
- Clamping range: 0–40 mm
- Smallest span: 0 mm
- Largest span: 40 mm
- Material: Zinc die-cast, plastic-coated
- EAN: 4250101103322
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Questions about Three-Prong Clamp 40 mm, vinyl coated jaws
What is this article?
Three-Prong Clamp 40 mm, vinyl coated jaws is the article on this page. Luminix Health distributes Usbeck 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.

