Description
BOLA Blind plugs with 8 mm outer diameter are solid PTFE closures for unused ports on BOLA laboratory fittings. Machined entirely from polytetrafluoroethylene, they seal idle connection points so that open fittings do not remain exposed during setup changes or multi-port manifold work. A matching PTFE-glass-fibre nut from the D 501 series is required in addition to complete the closure. Connection dimensions cover outer diameters of 8 mm as well as related sizes around 3/8 in (9,52 mm) and 10 mm ranges indicated for this plug family. Each piece weighs only 0,005 kg; the pack contains 5 pc(s), supporting stock for several fittings at once. Chemical inertness of PTFE makes the plugs suitable wherever aggressive solvents or reagents must not contact secondary materials at blanked ports. These BOLA blind plugs from manufacturer Bohlender help keep unused fitting outlets closed, clean and ready for later reconnection in analytical fluid lines, solvent distribution and general laboratory tubing systems.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 5 pc(s)
- Product type: Blind plug for BOLA fittings
- Outer diameter: 8 mm
- Material: Polytetrafluoroethylene (PTFE)
- Additional requirement: Matching PTFE-glass-fibre nut (D 501 series)
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Questions about BOLA Plugs, aØ 8 mm PTFE, for BOLA-fittings
What is this article?
BOLA Plugs, aØ 8 mm PTFE, for BOLA-fittings is the article on this page. Luminix Health distributes Bohlender for laboratory use. It sits in Rubber & silicone stoppers, inside Stoppers, caps & closures, in Labware.
A rubber or silicone stopper is pushed into a mouth. The size number corresponds to a top and bottom diameter. Silicone survives higher temperatures and more autoclave cycles. Natural rubber is attacked by oils and by some solvents.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Rubber & silicone stoppers. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Ground-joint glass stoppers, Lids & seals and Closures (other).
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. 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.
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.

