Description
Fork clamp NS29/32-29/42 without locking screw is a stainless-steel laboratory clamp designed for secure retention of conical ground joints in the NS 29/32 to NS 29/42 size range. It provides a reliable mechanical connection between glassware components during assembly, reaction work-up, distillation and general laboratory setups where a firm yet easily released joint hold is required.
This article belongs on Clamps & bossheads, in Stands, clamps & racks.
Manufactured from stainless steel, the fork-style design grips the ground joint collar cleanly and distributes clamping force evenly, helping to keep apparatus aligned under vacuum or moderate thermal load. The version without a locking screw allows rapid attachment and removal, which is practical for frequent reconfiguration of glass trains. Supplied as a single piece with a net weight of 0,034 kg, the clamp is compact and suitable for both routine and specialised glassware systems. This accessory from manufacturer Witeg belongs to the standard range of conical-joint clamps used in organic synthesis, analytical sample preparation and teaching laboratories. It supports stable joint sealing when paired with appropriate grease or PTFE sleeves and complements other joint hardware in the same series.
Key features
- Pack size: 1 pc
- Type: Fork clamp for conical ground joints
- Joint size: NS 29/32–29/42
- Material: Stainless steel
- Locking screw: Without locking screw
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Questions about Clip for conical ground joints ST 29
What is this article?
Clip for conical ground joints ST 29 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.

