The Wincom Universal Clamp (commonly known as a 3-Prong Extension Clamp) is a highly versatile laboratory holding instrument engineered to secure various shapes and sizes of glassware, such as flasks, beakers, test tubes, and distillation condensers. Featuring a multi-jaw design lined with protective cushioning and paired with a smooth adjustment screw, it ensures a firm yet gentle grip that prevents glass breakage. It is a fundamental hardware utility widely specified for chemistry distillation rigs, titration setups, biology sampling lines, and general research support stands.

Technical Specifications

• Equipment Type: 3-Prong Universal Extension Laboratory Clamp

• Material Composition: Heavy-duty die-cast zinc alloy or high-grade aluminum with a stainless steel extension rod

• Jaw Configuration: 3-prong design (two fingers on one side, one on the opposite side) for multi-point contact

• Jaw Coating: Non-slip, high-friction cork lining or premium heat-resistant vinyl/rubber sleeves

• Clamping Opening Range: Versatile jaw expansion accommodating object diameters from 0mm up to 80mm

• Extension Rod Dimensions: Standard industrial length (approximately 150mm to 180mm) with a 10mm diameter rod

• Locking Mechanism: Smooth-turning dual-threaded adjustment screw with an ergonomic thumbscrew

• Angle Adjustment: Fixed-arm design or 360-degree swiveling bosshead configuration (depending on exact model variant)

Key Features

• Secure 3-Prong Contact Geometry: The three-pronged configuration wraps completely around both symmetrical cylinders and irregular glassware profiles, providing balanced, multi-angle pressure that eliminates slipping.

• Protective Cushion Lining: Jaws are padded with premium, high-traction cork or heavy-gauge vinyl coatings that absorb structural clamping stress, shielding fragile glass walls from micro-cracks and structural fractures.

• Fine-Threaded Expansion Control: Outfitted with a high-precision mechanical screw assembly, allowing technicians to fine-tune the jaw opening down to the millimeter for light or tight tension holds.

• High Heat and Chemical Resilience: The robust alloy composition and optional cork padding easily withstand nearby heat sources like Bunsen burners, as well as chemical vapor exposure and corrosive acid splashes.

• Rigid Stainless Steel Shaft: Features a solid, unyielding metal extension rod that inserts cleanly into any standard bosshead holder, preventing sagging or structural bending under heavy liquid loads.

Primary Applications

• Distillation and Reflux Assemblies: Holding heavy distillation condensers, fractionating columns, and boiling flasks safely at precise angles and heights.

• Burette and Titration Support: Securing large-capacity burettes or irregular separating funnels firmly above receiving beakers during volumetric analyses.

• Microbiology and Media Preparation: Clamping large culture flasks and sample collection jars steady inside laminar airflow hoods or water baths.

• Physics and Sensor Positioning: Holding thermometers, pH probes, gas delivery tubes, and electronic sensors securely inside reaction vessels.