Lab Clamps, Stands & Supports

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

Products (318)

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  • Support Stands with Rods

    United Scientific Supplies

    These support stands with rods come complete with a stamped steel base with black enamel finish and a removeable zinc plated steel rod.

  • Stainless Steel Laboratory Scissor Jacks

    Ai stainless steel laboratory scissor jacks with cushion feet.

  • Metal Joint Clips - Keck®  Type

    Nickel-plated steel clips. For standard taper joints. Superior chemical and temperature resistance. Temperature up to 932 degrees F.

  • 3-Prong Heavy-Duty Clamps

    Multi-purpose UltraJaws Heavy-Duty Clamps feature an innovative closed yoke construction that minimizes contamination and corrosion of internal components. The unique design enables secure gripping and positioning with added strength and durability. Available in both single and dual prong...

  • 3-Prong Multi-Purpose Clamps

    Large grip adjustment range 3-prong construction Single or dual adjust Nickel-plated zinc Designed to securely hold every type of laboratory glassware and apparatus. Long, seamless nickle-plated brass tubing attaches clamp head securely and offers easy positioning in the deepest fume hoods. Clamps...

  • LabJaws Connectors & Holders

    Regular Clamp Holders Stainless steel electro-polished finish or nickel-plated zinc construction. Ideal for holding clamps to lab-frames. Use wherever clamping at 90° is required. Swivel Holders Two rod holders with center swivel capacity allow tilting of clamps at any angle in parallel planes....

  • Eisco Labs Burette Clamps

    Ideal uses for beakers, Erlenmeyer flasks, test-tubes, boiling (Florence) flasks, burettes. For securing the clamp to a frame or other apparatus an additional holder (sold separately) will be needed. Please see recommended Boss Head list. The screw adjustment allows for precise pressure when...

  • Universal Clamp with Holder

    United Scientific Supplies

    Clamp features vinyl coated three pronged jaws that open to 2.25" wide. Includes fiberglass sleeves and a clamp holder that can be rotated 360°.

  • Swivel Clamps

    Used to hold apparatus near the lab-frame. Unlike extension clamps, the swivel clamps have an integral holder for attaching to a lab-frame or other apparatus. Built-in holder grips rods up to 19mm (0.75") in diameter and is adjustable for forward or reverse-facing adjustment screws. Shaft...

  • Universal Clamp

    Clamp Universal, Cork lined Durable, premium stainless steel construction convenient tommy bar style thumbscrew for easy and secure tightening 100mm jaw capacity Cork lined jaws provide a stable hold 11" total clamp length High quality, durable 3 prong clamp with cork lined steel jaw that holds...

  • Stainless Steel Ball & Socket Clamps

    Stainless steel Pinch clamps are for use with O-ring and ball and socket clamps All sizes except 1236D18 and 1236D20 have screw locking devices. Only screw locking clamps are recommended for O-ring joints. All clamps are made of 304 –18/8 Stainless Steel.

  • Double Burette Clamp with Base & Rod

    Double Burrete Clamp Support with Rod and Stand. Alloy jaws are suitable for all burettes up to 100mL. Cast iron blue base measuring 7" wide and 13" long. 12mm diameter stainless steel support rod measuring 24" long. Great for any science or home laboratory. Double Burrete Clamp Support with Rod and...

  • 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.

  • 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...

  • 3-Prong Dual Adjustable Clamps

    Wide adjustment range Autoclavable Stainless steel Polished finish Dual Adjustable Clamps are durable, multi-purpose clamps constructed of stainless steel and offer excellent chemical resistance and overall strength. The versatile 3-prong design secures a variety of lab apparatus such as joined...

  • Thomas Spherical Joint Pinch Clamps

    labForce® (powered by Thomas Scientific)

    For ball-and-socket or O-ring glass joints in universal use for quick, convenient and safe mounting and dismantling of apparatus Strong, linear spring closing action Unique forked-shaped jaws provide uniform compression for safe, leak-free seals Screw-locking device with spring for maximum security...

  • 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.

  • 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

    GSC International, Inc.

    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...

  • 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.

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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.