Description
Spherical joint clamp for KS 50 is a precision laboratory accessory fabricated from 18/8 steel and fitted with a locking screw for firm, adjustable fixation of spherical ground joints. Classified as a fork clamp, it is dimensioned for Schliffgröße KS 51/30 connections that are widely employed in glass apparatus assemblies. The component has a net weight of 0,156 kg and is supplied as a single piece, offering a compact yet sturdy solution for securing spherical joints during routine laboratory operations. Its 18/8 steel construction delivers the mechanical strength and corrosion resistance expected in chemical and analytical environments. Originating from France and produced by manufacturer Rettberg, the clamp supports stable alignment of glassware in distillation, reaction or vacuum set-ups without introducing unnecessary bulk. The integrated locking screw permits rapid engagement and release while maintaining consistent clamping force, helping to protect delicate glass surfaces. This spherical joint clamp is intended for research, quality-control and teaching laboratories that require reliable mechanical fastening of KS-series spherical joints.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
Key features
- Pack size: 1 pc
- Product type: Fork clamp
- Joint size: KS 51/30
- Material: 18/8 steel
- Locking screw: Yes
- Technical Information Sheet:
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Questions about Clamp for spherical joint size 50, 18/8 steel, with locking screw
What is this article?
Clamp for spherical joint size 50, 18/8 steel, with locking screw is the article on this page. Luminix Health distributes Rettberg 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.
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Luminix Health distributes this article from the heart of Europe. Delivery across Europe, two to five days when in stock. 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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.
