Lab Clamps, Stands & Supports

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Durable laboratory clamps and supports are essential within the lab and can assist with the holding of test tubes and flasks. Lab clamps securely hold equipment in place and prevent accidental movements or spillages during applications. Benefit from a hands-free operation, precise positioning, and adjustment features to achieve clear and accurate results. Options include three-prong clamps, perfect for clamping glassware and apparatus to a ring stand. Thermometer clamps carry features of adjustable 360-rotating jaws and are suitable for attaching 1/2 diameter rods and thermometers. Clamps are available in various designs and sizes and are carefully constructed to be compatible with other lab accessories to ensure convenience and ease of use. Safety features can also reduce the risk of accidents and spillages. Ring stand clamp accessories include lab stands, beaker stands, and tripod burner stands, which will assist you with achieving smooth, accurate results.

Also available at Thomas Scientific – test tubes, burners, and flasks.

Lab Clamps, Stands & Supports

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  • Keck Clamps

    Chemglass

    Made of Delrin®, the clamp is non-corrosive and will not scratch glass. Can be used to 140°C. Color coded for easy identification. SOLD IN PACKAGES OF 10.

  • Stainless Steel Clamps for Duran® Reaction Flanges and Lids, PTFE Coated

    Similar to CG-141 but with the entire clamp PTFE coated for chemical durability.

  • Nylon Apparatus Flange Vertical Base Plate

    Nylon Apparatus Flange Vertical Base Plate Corrosion-resistant; they will not corrode or rust Accommodates (1/2") rod Locked with 14"-20 hex screws

  • Support Rods Stainless Steel

    303 stainless steel support rods, 13mm (1/2") O.D. for use in place of aluminum or fiberglass. For use with all standard laboratory connectors.

  • Clamp Holder, Right Angle

    United Scientific Supplies

    Cast aluminum clamp holder for use with rods up to 19mm in diameter. For use when clamping at 90° is required. This clamp features a min to max grip range of 0-21mm and a v-grove bearing length of 55mm.

  • Heidolph RZR 1 Stirrer, Universal S2 Stand

    Heidolph RZR 1 overhead stirrer with tools and accessories features 2 gears delivering 280 to 2200rpm with analog control. 115v 60Hz input motor is high torque, up to 100Ncm. Use code -32 stir shaft for slow speed, up to 250rpm and code -34 shaft for speeds up to 2200rpm. Universal stand and clamp...

  • United Scientific™ Support Ring With Opening

    Steel rod, zinc-plated extension support rings. Rod diameter 7 mm (0.27”) and the straight rod portion of each is 7.25” (184 mm) long. Open support rings are ideal for use with funnels, boiling flasks, and separatory funnels.

  • Square Platform Laboratory Jack

    United Scientific Supplies

    Laboratory support jacks are constructed of chemically resistant anodized aluminum and stainless steel. The scissor jack design enables height adjustment with a simple turn of the knob. LBJK44 has a 4" x 4" platform that can be vertically adjusted fro

  • Burette Clamp Double   Cast-Aluminum

    This cast-aluminum double burette clamp can attach to a support stand and hold up to two burettes securely. It has rubber grips to improve the grip on the burettes. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene and lead, which are known to the State of...

  • Deluxe Support Stands

    United Scientific Supplies

    Cast iron bases with gray enamel finish. The base is 3mm thick with a welded plate on the mounting hole. This gives the support rod 10mm of screw support, which is three times thicker than other traditional stands. The support rod includes an 80mm long rod to provide more torque when securing the...

  • Support Rings with Clamp

    Solid ring with built in clamp for attachment directly to support rod. Available in three sizes. Nickel plated zinc alloy.

  • Tripods, Flanged Concentric Ring Models

    Sturdy Tripods featuring adjustable openings through the use of detachable rings.

  • Lab Stand Support Shelf

    Lab stand support shelf fits any stand with up to 5/8"od rod. Stand measures 7 x 10" and is available with or without 4" rubber-bordered center hole. Manufactued from light, cast aluminum and epoxy coated. Rod mounted codes -04 & -06 feature a 5/8in OD x 12in long stainless rod with a through hole...

  • Standard Taper Joint Clamp

    The Chemglass standard taper joint clamp is mainly used for supporting flasks, beakers or burettes while conducting experiments. It is made of sturdy PTFE material which ensures durability and long lasting usage. It is color coded for easy identification.

  • Aldrich® Benchclamp(TM)

    Aldrich benchclamp clamps have a nickel-plated finish and are corrosion resistant. The clamps come with slip-on fiberglass finger covers. The Grippy Knob design has a round nut which is easy to turn making tightening the clamps around glassware fast and convenient. Synonyms: bench clamps Legal...

  • Talboys Staining Rack

    Slide Staining Rack Constructed of stainless steel, the Talboys Slide Staining Rack will resist corrosion under normal use. Adjustable to fit trays or sinks up to 533mm (21") inside.

  • BrandTech® Ratchet Wrench Handle

    The BrandTech ratchet wrench handle is made from strong stainless steel for added strength and is compatible to use with support jacks. Handle can be slided into the hand wheel that makes it easy for lowering and raising the deck.

  • Snap-N-Lock Clamps

    Snap-N-Lock Clamps are custom-made clamps created to accommodate various sized bottles. These clamps are sold individually and are used with Snap-N-Lock shafts. To use, insert a bottle into the bottom plate, then lock the clamp in place with the easy-to-use lever. Lastly, snap the clamp onto the lid...

  • 2-Prong Multi-Purpose Clamps

    Stainless steel electro-polished finish or nickel-plated zinc Large grip adjustment range 2-prong construction Single or dual adjust Designed to securely hold laboratory glassware and apparatus. Extension arm attaches clamp head securely and offers easy positioning in the deepest fume hoods. Clamps...

  • Frame Connectors, Hooks & Support Apparatus

    S-Connector Clamp is ideal for constructing lab-frames or other supports requiring the connection of two perpendicular rods. Clamp connects two 13 mm (0.51") rods at a 90° angle and features separate adjustment screws for each rod location. Lab Frame Foot Stainless steel electro-polished...

  • Skeleton Stand, Cast Iron Base with Casters

    Able to adapt to multiple brands of rod mount skeletons Tube Inner Diameter = 12.5mm Cast Iron Heavy Base Heavy Duty Casters Tired of skeleton stands breaking? Tipping Over? Difficult to move? This is the skeleton stand for you. This heavy duty skeleton holder was designed to hold multiple brands of...

  • SYNTHWARE Stainless Steel Joint Springs

    Joint Spring, Stainless Steel, Synthware, Coil Length: 6.35, 25.0 and 32.0mm available.

  • Single Burette Clamp

    GSC International, Inc.

    Cast aluminum clamp with nickel plated steel thumb-screw. The clamps jaws have a range of 3/8" x 1-3/8".

  • Triangular Base Support Stands

    Powder-coated with plated steel rod

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Are G clamps and C clamps the same?

Yes, G clamps and C clamps are essentially the same. Both names refer to a clamp with a frame shaped like the letters “G” or “C,” which can be tightened to hold objects firmly in place. These clamps have a screw mechanism that allows them to apply pressure to secure materials together, making them useful in various applications like woodworking, metalworking, and laboratory setups. The terms "G clamp" and "C clamp" are often used interchangeably, though "C clamp" is more commonly used.

What is a thermometer clamp used for?

A thermometer clamp securely holds a thermometer in place during experiments, keeping it stable and allowing for hands-free temperature readings. It typically attaches to a ring stand or support rod and has adjustable grips for different thermometer sizes. This setup is useful when measuring temperatures in beakers, flasks, or other containers where direct contact is needed, but holding the thermometer by hand is impractical or unsafe.

What is a utility clamp used in laboratory?

A utility clamp is a versatile piece of laboratory equipment used to hold and secure glassware or other lab apparatus, such as test tubes, flasks, or burettes, in place during experiments. It typically attaches to a ring stand or other support structure and features adjustable prongs or jaws to securely grip items of various sizes. Utility clamps are essential for safely positioning equipment at desired angles or heights, especially when heating, stirring, or performing procedures that require stability and hands-free operation.