Clamps
Adjustable devices designed to securely hold two objects together or to hold an object in place; used with standard-taper and ball-and-socket joints, glass and tubing assemblies, and with ring stands. Available as plastic joint clips, stainless steel pinch clamps, and taper clips.
A laboratory clamp is an essential piece of equipment used to support and secure labware and other laboratory apparatus such as flasks, reaction vessels, tubing, thermometers, probes, columns, funnels, and overhead stirrers.
Some laboratory clamps consist of a shaft and boss head, secured with hand-tightened thumbscrews, knurled nuts, or wingnuts onto a supporting rod, stand or scaffold. They may also include two- or three-pronged, adjustable closing jaws designed for gripping objects safely and securely.
Laboratory clamps are constructed of metals such as stainless steel, nickel-plated zinc, plated brass or diecast aluminum alloy for enhanced chemical, heat, and corrosion resistance. However, some components such as the adjusting screws may be made of plastic, and the prongs may also be lined or covered with cork, plastic, glass-fiber, or rubber for enhanced grip with minimal damage or breakage.
Laboratory Clamp Styles and Designs
• Universal, general-purpose clamps that are fully adjustable for accommodating and securing a wide range of items of different sizes such as columns and thermometers
• Retort clamps for securing round-bottom flasks and similar glassware
• Fork clamps for securing and supporting cone-and-socket ground glassware joints
• Three-prong extension clamps, sometimes available with spring-loaded jaws, for holding irregularly shaped or outsized objects
• Specialized clamps for securing burettes and condensers or reaction vessels
• Chain clamps, which incorporate a circular, adjustable chain loop to hold cylinders and beakers
Grainger 1/2 in Wide, Interlocked Worm Gear Hose Clamp; 10/pk
1/2 in Wide, Interlocked Worm Gear Hose Clamp; 10/pk.
Cole-Parmer Jumbo Clamp Holder, Stainless Steel, Accommodates 0 to 0.83" Dia Rod s
Ideal for holding clamps or ring stands to lab-frames, at a 90° angle.
Chemglass Life Sciences Clamp, Three-Prong Extension, Medium, Dual Adjust, 9.02in OAL
Clamp, Three-Prong Extension, Medium, Dual Adjust, 8 3/4in OAL. Nickel-plated zinc alloy clamp has high tensile strength and corrosion resistance. Fully enclosed stainless steel springs provide smooth operation. Three-prong clamps are available in single and dual adjustment. The small clamp has a 1¿ (25mm) maximum grip size with a 1/4¿ (6mm) O.D. extension arm. The medium clamp has a 1 1/2¿ (38mm) maximum grip size with a 1/2¿ (13mm) O.D. extension arm. The large clamp has a 2 1/2¿ (64mm) maximum grip size with a 5/8¿ (16mm) O.D. extension arm. Complete with removable vinyl and fiberglass covers for easy cleaning.
Chemglass Life Sciences Clamp, Three-Prong Extension, Large, Dual Adjust, 10.75in OAL
Clamp, Three-Prong Extension, Large, Dual Adjust, 10 1/2in OAL. Nickel-plated zinc alloy clamp has high tensile strength and corrosion resistance. Fully enclosed stainless steel springs provide smooth operation. Three-prong clamps are available in single and dual adjustment. The small clamp has a 1¿ (25mm) maximum grip size with a 1/4¿ (6mm) O.D. extension arm. The medium clamp has a 1 1/2¿ (38mm) maximum grip size with a 1/2¿ (13mm) O.D. extension arm. The large clamp has a 2 1/2¿ (64mm) maximum grip size with a 5/8¿ (16mm) O.D. extension arm. Complete with removable vinyl and fiberglass covers for easy cleaning.
Grainger 1/2 in Wide, Lined Worm Gear Hose Clamp; 10/pk
1/2 in Wide, Lined Worm Gear Hose Clamp; 10/pk.
Cole-Parmer Keck Standard Taper Clips, Joint Size 14, Yellow, Pk/12
These economical standard taper clips securely hold conical joints under pressure without damaging glass. The polyoxymethylene (POM) acetal resin clips are safe to 302°>F (150°>C). Resistant to concentrated alkalies and dilute acids (not resistant to halogen gases and concentrated acids).
Cole-Parmer Standard 3-Prong Extension Clamp, Dual, Large, Stainless Steel
Designed to securely hold a large variety of glassware and apparatus. Ideal for irregularly shaped objects. Choose single adjustment style for standard use where one prong or "finger" is adjusted using a wing nut, while the other prong remains stationary or for a more versatile clamp choose the dual adjustment style. Utilizing thumbscrews, both prongs are easily adjusted over a wider range. Available in 3 sizes, small, medium, and large. Dual adjustable clamps are offered in either stainless steel or nickel plated zinc. Supplied with non-slip vinyl sleeves or for temperatures above 212°F (100°C), fiberglass covers.
Cole-Parmer Keck Metal Standard Taper Clip Size 24 6/Pk
These metal taper clips securely hold conical joints under pressure. Nickel-plated steel taper clips feature superior chemical and temperature resistance—withstand temperatures to 932°>F (500°>C).
Alimed Inc Accu-Draw Clamp for Mayo Stand
Allows secure, hands-free access to multiple vials at once for improved time management and increased productivity. Protects both patient and staff by helping to prevent dangerous – even deadly – medication mix-ups, as well as needle sticks.
Chemglass Life Sciences Clamp, Safety, Adjustable, Fits Joint Sizes 24/25 & 24/40
Clamp, Safety, Adjustable, Fits Joint Sizes 24/25 & 24/40. The safety clip is a two piece adjustable clamp used to secure standard taper joints. Made of polyoxymethylene, the clip has excellent chemical resistance. They will not corrode or scratch the glass. Can be used to 150°C. Sold in packages of 10. PLEASE NOTE: THESE CLAMPS CAN BE USED WITH STANDARD TAPER JOINTS THAT HAVE A CG-136 STYLE PTFE SLEEVE BETWEEN THEM.
Chemglass Life Sciences Clamp, Keck, Red, Standard Taper, Fits Joint Sizes 29/26 & 29/42
Clamp, Keck, Red, Standard Taper, Fits Joint Sizes 29/26 & 29/42. 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.
Cole-Parmer Double Buret Clamp, Nickel-Plated Zinc, with Support Stand and Rod; Holds Up to 100 ml Burets
Hold one or two burettes up to 100mL. The one-handed, scissor-like mechanism provides quick and easy adjustment. Clamp is available separately or together with stand. Choose from clamp only double burette or clamp with support stand and rod.