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Screws - ECH Scientific Limited

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Laboratory Screws and Caps
High-quality closures and connectors for precision applications
MP3 play/stop
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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
Laboratory screw fitting gl45 with 2x GL14 connection image
Packaging size 2 piece

Thread: GL45
Connecting: 2x GL14
Screw cap with hole GL18 image
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
Screw cap with hole GL45 image
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
Screw cap with hole GL14 image
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
Screw cap GL25 with hole image
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
Desicators screw cap GL14 image
Packaging size 1 piece

Desiccators Screw cap GL14
Laboratory Screw Joints
Laboratory screw joints GL14 blue image
Packaging size 1 set

Laboratory screw joints GL 14

Material: PBT
Thread: GL14
Hole: 6.0

PTFE Seal
Laboratory screw joints GL14 red image
Packaging size 1 set

Laboratory screw joints GL 14

Material: PBT
Thread: GL14
Hole: 3,2

PTFE Seal
Laboratory screw joints GL14 red image
Packaging size 1 set

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.
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