Clamps & Clamp Holders

Laboratory clamps & holders are manufactured in a wide variety of configurations so that every laboratory can customize its apparatus to suit its application.

2-prong, 3-prong, and 4-prong lab clamps are available in multiple styles; these clamps are used to hold apparatus at set distances from the rod or frame. Another common type of lab clamp is the burette clamp, which is used to secure one or two burettes on a stand for convenient experimentation.

2-Prong Burette Clamps with Boss Head
-9%
Our deluxe line of two prong burette clamps are made of pressure die casted zinc alloy and are chrome plated. Adjustable to hold up to 60mm OD burettes, these clamps feature a spring-type adjustment key. Boss head clamp can swing freely and is lockable at any angle up to 360°,...
From $18.00 From $19.80
2-Prong Burette Clamps with Extension Rod
-9%
Our deluxe line of two prong burette clamps are made of pressure die casted zinc alloy and are chrome plated. Adjustable to hold up to 60mm OD burettes, these clamps feature a spring-type adjustment key. Extension rod is 8.25" long, 5/16" OD, with an overall length of 12.75".
From $15.00 From $16.56
Features a 2-prong die-cast clamp attached to a chrome-plated steel rod. Jaws are lined with cork. Overall length is 8".
From $9.00
3-Prong Extension Clamp with Steel Rod
-1%
Features a 3-prong die-cast clamp attached to a chrome-plated steel rod. Prongs are covered with rubber tubing. Overall length is 10".
From $10.00 From $10.12
3-Prong Extension Clamps with Boss Head
-8%
Our deluxe line of 3-prong extension clamps are constructed of pressure die-cast zinc alloy and are chrome-plated. Clamps open to about 3", have a recommended maximum grip size of about 2.25", and feature double keyed spring-type adjustment screws. Boss head clamp can swing freely, is lockable at any angle up...
From $19.00 From $20.68
3-Prong Extension Clamps with Rod
-8%
Our deluxe line of 3-prong extension clamps are constructed of pressure die-cast zinc alloy and are chrome-plated. Clamps open to about 3", have a recommended maximum grip size of about 2.25", and feature double keyed spring-type adjustment screws. Extension rod is 8.25" long, 5/16" OD, with an overall length of...
From $16.00 From $17.48
3-Prong Heavy Duty Extension Clamp with Stainless Steel Rod
-7%
This extension clamp features heavy-duty electroplated zinc alloy construction and dual prong adjustments. The 5" long extension rod is constructed of stainless steel. Prongs open to about 4", have a recommended maximum grip size of about 3.25", and feature double keyed spring-type adjustment screws. Prongs are covered with non-slip PCV...
From $34.00 From $36.64
3-Prong Universal Clamp with Holder
-1%
Clamp features vinyl coated three pronged jaws that open up to 2.25" wide.  Includes fiberglass sleeves and a clamp holder that can be rotated 360°.
From $21.00 From $21.18
4-Prong Extension Clamp with Boss Head
-9%
Features a 4-prong die-cast clamp attached to a chrome-plated steel rod. Jaws are lined with cork. Overall length is 8".
From $16.00 From $17.56
Azlon Burette Clamp, PP
-16%
From $59.29 $50.00
These spring loaded polypropylene burette clamps allow a clear view of the graduations over the entire length of a burette. The arms are fitted with rubber grips to prevent slipping and the central boss features a conical compression piece which provides a firm grip on rods 11 - 14mm diameter....
From $50.00 From $59.29
Excellent for holding small objects. The jaws open from 15mm to 45mm (1/2" to 1-3/4"). The clamp attaches to rods up to 13mm (1/2") O.D. Jaws can be rotated and locked at any angle. Jaws are covered with PVC sleeves.
From $7.00
Excellent for holding small objects. The jaws open from 15mm to 45mm (1/2" to 1-3/4"). The clamp attaches to rods up to 13mm (1/2") O.D. Jaws can be rotated and locked at any angle.
From $6.00
From $7.00
These clamps are constructed from steel and feature plastic covered spring jaws. Available in single and double versions, these clamps accept burettes up to 35mm O.D., and can be used with support rods up to 1/2" O.D.
From $7.00
Burette Clamps, PP
-5%
From $48.42 $46.00
These polypropylene burette clamps are completely corrosion-proof. The spring-loaded jack in the middle provides a vice like grip on the burette and prevents it from slipping. Two tapered wedges are included to ensure firm grip on 1/2" or 3/8" diameter rods.
From $46.00 From $48.42
From $4.00
Our clamps feature strong cast iron frames and a screw-thread mechanism that provides a sturdy grip.
From $4.00
From $9.00
Clamp Holder for rods to 19mm in diameter. Brass body with brass thumb screws.
From $9.00
Clamp Holder for rods to 19mm in diameter. Cast iron body with brass thumb screws.
From $10.00
From $8.00
Clamp with Hook can be rotated and locked in any position. Ideal for supporting suspended thermometers, drying tubes, etc. The clamp attaches to rods up to 13mm (1/2") O.D.
From $8.00
Clamp, Chain
-26%
From $57.09 $42.00
With chain and spring, for diameters from 80mm to 150mm.
From $42.00 From $57.09
Clamp, Four-Finger
-28%
From $18.10 $13.00
Die-cast alloy, Ni/Cr plated finish, with cork lined interlocking jaws. Accepts articles up to 80mm in diameter. (Clamp total length is approximately 250mm.)
From $13.00 From $18.10
Clamp, Horseshoe Style
-27%
From $65.34 $48.00
Clamp, Horseshoe Style. Made of aluminum with black epoxy coating.
From $48.00 From $65.34
Clamp, Pinch, Stainless Steel, Spherical
-14%
Clamp, Pinch, Stainless Steel, Spherical with a screw type locking nut. Made of 304 stainless steel.
From $8.00 From $9.35
Clamp, Thermometer Extension
-26%
From $35.20 $26.00
Extension rod is 10mm in diameter. Total length: 200mm.
From $26.00 From $35.20
Clamp, Three-Finger, Adjustable
-28%
From $15.24 $11.00
Double adjustable, PVC coated prongs, made of chrome-plated alloy. W181103: Accepts objects from 0 to 60mm. Clamp total length is approximately 270mm. W192203: Accepts objects from 0 to 30mm. Clamp total length is approximately 222mm.
From $11.00 From $15.24
Clamps, Boss Head
-28%
From $15.24 $11.00
Bosshead Clamps, Chrome Plated, for rods up to 16mm diameter.
From $11.00 From $15.24
Deluxe Burette Clamps
-6%
From $16.96 $16.00
Deluxe Burette clamps are die casted from aluminum and feature black rubber sleeves for firm gripping of burettes.  The adjustable clamps hold up to 30mm O.D. burettes, which are held in place by the pressure created by the springs.  For use with rods up to 19mm diameter.
From $16.00 From $16.96
From $5.00
Plated steel collar clamps feature thumbscrews and hooks for suspending pulleys, balances, etc. from support rods or crossbars.
From $5.00
Plastic keck joint clips are size 24, designed to securely hold 24/40 joint size glassware together.
From $4.00
Keck Clamps for various standard taper joint sizes. Made of plastic.
From $4.00
This unique open/close, single position tubing clamp design allows for positive on/off flow control. The clamp design features easy tube insertion for both manual and automatic operations. One position tubing clamp is molded of polypropylene suitable for ETO sterilization and is stocked in white. Accepts approximately 1/4" to 1/2" OD...
From $29.00
Separatory Funnel Holder, Polypropylene
-21%
This non-corrosive separatory funnel holder, molded in polypropylene, has a front opening which provides clear view of the solution and allows unobstructed placement of separating funnels. Two tapered wedges are provided to ensure firm grip on rods measuring 1/2" or 3/8" diameter.
From $43.00 From $54.26
Swivel Clamp Holder
-4%
From $13.50 $13.00
Plated steel double clamp. Accepts rods up to 3/4" diameter (19 mm). One clamp can be rotated 360° along its axis and locked in any position. Length across clamps is 4.5".
From $13.00 From $13.50
From $8.00
Thermometer Clamp features adjustable 360° rotating jaw for suspending thermometers. The clamp attaches to rods up to 13mm (1/2") O.D.
From $8.00
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