From controlling gas or liquid flow in tubing to providing the key piece for retort stand assembly, clamps are necessary parts for providing a controlled environment in any laboratory. Available in a variety of formats including the three-prong grip, bosshead, towel grip, and pinchcock, different designs fit specific functions. Manufactured with resistant finishes allow the adjustable clamps to withstand harsh testing conditions. These durable tools may fit specific equipment sizes or have a flexible sizing scale.

From controlling gas or liquid flow in tubing to providing the key piece for retort stand assembly, clamps are necessary parts for providing a controlled environment in any laboratory. Available in a variety of formats including the three-prong grip, bosshead, towel grip, and pinchcock, different designs fit specific functions. Manufactured with resistant finishes allow the adjustable clamps to withstand harsh testing conditions. These durable tools may fit specific equipment sizes or have a flexible sizing scale.


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Catalog Number: (MFLX31811-00)
Supplier: VWR International

3A Sanitary approval


Catalog Number: (89202-632)
Supplier: VWR International
Description: Made entirely of stainless steel, 2-prong clamp is used to hold apparatus near the lab frame where no adjustment is required after set-up. built in holder grips rods up to 19mm in diameter.

Product available on GSA Advantage®


Catalog Number: (12621-214)
Supplier: VWR International
Description: Attaches to side of a benchtop or countertop. Includes two-prong clamp, three-prong clamp, spring clamp head, 45.7cm nickel-plated flexible arm, aluminum bench clamp, and utility wrench. Bench clamp maximum grip size: 4.3cm.

Product available on GSA Advantage®


Catalog Number: (21572-160)
Supplier: VWR International
Description: Easily adjusted clamps are ideal for large cylindrical, 121-140mm diameter glassware and similar objects. Extension arm is 180mm.

Product available on GSA Advantage®


Catalog Number: (89202-628)
Supplier: VWR International
Description: Made entirely of stainless steel. 2 holders with center swivel capacity allow tilting of clamps at any angle in paralles planes. clamps can grip rods up to 19mm.

Catalog Number: (21572-104)
Supplier: VWR International
Description: Easily adjusted clamps are ideal for large cylindrical, 64-89mm diameter glassware and similar objects. Extension arm is 180mm.

Product available on GSA Advantage®


Catalog Number: (21572-137)
Supplier: VWR International
Description: Easily adjusted clamps are ideal for large cylindrical, 95-114mm diameter glassware and similar objects. Extension arm is 180mm.

Product available on GSA Advantage®


Catalog Number: (21572-192)
Supplier: VWR International
Description: Easily adjusted clamps are ideal for large cylindrical, 140-165mm diameter glassware and similar objects. Extension arm is 180mm.

Product available on GSA Advantage®


Catalog Number: (89202-630)
Supplier: VWR International
Description: Made entirely of stainless steel, 3-prong clamp is used to hold apparatus near the lab frame where no adjustment is required after set-up. built in holder grips rods up to 19mm in diameter.

Product available on GSA Advantage®


Catalog Number: (12621-212)
Supplier: VWR International
Description: Attaches to side of a benchtop or countertop. Includes two-prong clamp, three-prong clamp, spring clamp head, 30.5cm nickel-plated flexible arm, aluminum bench clamp, and utility wrench. Bench clamp maximum grip size: 4.3cm.

Product available on GSA Advantage®


Catalog Number: (21573-275)
Supplier: VWR International
Description: Clamp holds objects from 38.1mm to 165mm in diameter or irregularly shaped objects. Quick and secure slip-on chain connection with large, easy to turn adjusting knob holds objects at any angle. Arm extends 136mm.

Product available on GSA Advantage®


Catalog Number: (MFLX06833-01)
Supplier: VWR International


Catalog Number: (21572-729)
Supplier: VWR International
Description: Clamp holds objects from 38.1mm to 279mm in diameter or irregularly shaped objects. Quick and secure slip-on chain connection with large, easy to turn adjusting knob holds objects at any angle. Arm extends 136mm. 36-inch chain.

Product available on GSA Advantage®


Catalog Number: (MFLX06833-00)
Supplier: VWR International


Catalog Number: (97035-506)
Supplier: VWR International
Description: With 12in extension arm holds vessels from 35-280mm (1.38-11.02in )

Product available on GSA Advantage®


Catalog Number: (21572-002)
Supplier: VWR International
Description: Stainless steel clamp holds 38-102mm diameter glass distillation columns and odd-shaped glassware. Extension arm is 152mm long. With chromed-brass band and chain.

Product available on GSA Advantage®


Inquire for Price
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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