Laboratory Screws and Caps
High-quality closures and connectors for precision applications

Laboratory Screw Joints & Caps
Laboratory screw caps purchased directly from the manufacturer guarantee precision, durability, and chemical compatibility. Original parts are engineered to fit standardized systems like GL threads, ensuring leak-proof connections and safe usage in demanding lab environments. With certified quality, detailed technical documentation, and expert support, you get components you can rely on. Manufacturer-supplied screws also offer material consistency and full traceability – essential for regulated laboratory processes. Choose the manufacturer to ensure performance without compromise.
Screw Caps

Packaging size 2 piece
Thread: GL45
Connecting: 2x GL14
Thread: GL45
Connecting: 2x GL14

Screw caps
Packaging size 1 piece
With GL thread, for connecting connectors, pipes or stopcocks. Autoclavable, temperature stable from -45 to +180 °C.
Material: PBT
Thread: GL 18
Outer diameter: 25 mm
Height: 19 mm
With GL thread, for connecting connectors, pipes or stopcocks. Autoclavable, temperature stable from -45 to +180 °C.
Material: PBT
Thread: GL 18
Outer diameter: 25 mm
Height: 19 mm

Screw caps
Packaging size 1 piece
With GL thread, for connecting connectors, pipes or stopcocks. Autoclavable, temperature stable from -45 to +180 °C.
Material: PBT
Thread: GL 45
Outer diameter: 54 mm
Height: 26 mm
With GL thread, for connecting connectors, pipes or stopcocks. Autoclavable, temperature stable from -45 to +180 °C.
Material: PBT
Thread: GL 45
Outer diameter: 54 mm
Height: 26 mm

Screw caps
Packaging size 1 piece
With GL thread, for connecting connectors, pipes or stopcocks. Autoclavable, temperature stable from -45 to +180 °C.
Material: PBT
Thread: GL 14
Outer diameter: 20 mm
Height: 14 mm
With GL thread, for connecting connectors, pipes or stopcocks. Autoclavable, temperature stable from -45 to +180 °C.
Material: PBT
Thread: GL 14
Outer diameter: 20 mm
Height: 14 mm

Screw caps
Packaging size 1 piece
With GL thread, for connecting connectors, pipes or stopcocks. Autoclavable, temperature stable from -45 to +180 °C.
Material: PBT
Thread: GL25
Outer diameter: 33 mm
Height: 22 mm
With GL thread, for connecting connectors, pipes or stopcocks. Autoclavable, temperature stable from -45 to +180 °C.
Material: PBT
Thread: GL25
Outer diameter: 33 mm
Height: 22 mm

Screw caps
Packaging size 1 piece
Desiccators Screw cap GL14
Desiccators Screw cap GL14
Laboratory Screw Joints

Laoratory screws
Packaging size 1 set
Laboratory screw joints GL 14
Material: PBT
Thread: GL14
Hole: 6.0
PTFE Seal
Laboratory screw joints GL 14
Material: PBT
Thread: GL14
Hole: 6.0
PTFE Seal

Laoratory screws
Packaging size 1 set
Laboratory screw joints GL 14
Material: PBT
Thread: GL14
Hole: 3,2
PTFE Seal
Laboratory screw joints GL 14
Material: PBT
Thread: GL14
Hole: 3,2
PTFE Seal

Laoratory screws
Packaging size 1 set
Laboratory screw joints GL 14
Material: PBT
Thread: GL14
Hole: 4.0
PTFE Seal
Laboratory screw joints GL 14
Material: PBT
Thread: GL14
Hole: 4.0
PTFE Seal
Notice:
1. The appearance and specifications of our products may change slightly as we continually improve our designs and technology.
2. Submitting an inquiry via our B2B portal is completely free of charge for you.
3. By submitting an inquiry for a free quote, no purchase agreement or entitlement to delivery is established. A binding contract is only concluded once we have created an official offer and confirmed acceptance of that offer with an order confirmation.
4. For inquiries and orders placed through our B2B portal, you are granted a 14-day right of withdrawal starting from the date of order. Therefore, we reserve the right to delay delivery until the withdrawal period has expired.
5. Your withdrawal must be submitted in writing via email, contact form, or by phone.