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You Searched For: Bossheads

Bossheads are essential parts to complete the laboratory retort stand construction for titration, filtration, or distillation experiments. With two screw clamps, bossheads attach to the vertical rod supported by the apparatus base and simultaneously securely hold the sample. All designs are lightweight and durable for testing longevity and come in a variety of finishes. Some are designed to fit the standard rod diameter, while others have more flexibility in sizes. Rotating designs allow any angle to be achieved.

Bossheads are essential parts to complete the laboratory retort stand construction for titration, filtration, or distillation experiments. With two screw clamps, bossheads attach to the vertical rod supported by the apparatus base and simultaneously securely hold the sample. All designs are lightweight and durable for testing longevity and come in a variety of finishes. Some are designed to fit the standard rod diameter, while others have more flexibility in sizes. Rotating designs allow any angle to be achieved.


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Product Image-21572-501

VWR® Talon® Regular Clamp Holder

Supplier: VWR International
Description: Features a streamlined design for maximum contamination resistance and easy cleaning.

Product available on GSA Advantage®

Product Image-12621-246

VWR® Talon® S-Connectors

Supplier: VWR International
Description: Clamp is ideal for constructing lab frames or other supports requiring the connection of two perpendicular rods.

Product available on GSA Advantage®

Product Image-21572-658

VWR® Talon® All-Position Clamp Holder

Catalog Number: (21572-658)
Supplier: VWR International
Description: Surpass standard holding capabilities with this all-position clamp holder.

Certificates Product available on GSA Advantage®


Product Image-89202-628

VWR® Talon® Swivel Holder

Supplier: VWR International
Description: Two Q-clamp post holders with center swivel capacity allow tilting of clamp at any angle in parallel planes.

Product available on GSA Advantage®

Product Image-47750-928

SP Bel-Art Bosshead, Bel-Art Products, a part of SP

Catalog Number: (47750-928)
Supplier: Bel-Art Products, a Part of SP
Description: This open-sided stainless steel bosshead accepts rods up to 13 mm (½") diameter.
Product Image-89084-750

Clamp Holder, Jumbo, Ace Glass Incorporated

Catalog Number: (89084-750)
Supplier: Ace Glass
Description: This clamp holder is great for holding large and heavy assemblies, since it can grip rods or pipe up to 22 mm in diameter, or as small as 5 mm

Small Business Enterprise Product available on GSA Advantage®


Product Image-89084-746

Clamp Holder, Nickel-Plated Zinc, Ace Glass Incorporated

Catalog Number: (89084-746)
Supplier: Ace Glass
Description: This clamp holder is normally used to secure clamps to rods and lab frame supports

Small Business Enterprise Product available on GSA Advantage®


Product Image-470165-422

Premium Diecast Bosshead

Catalog Number: (470165-422)
Supplier: Wards
Description: Threaded Metal One-Piece Clamping Screws
Product Image-470165-426

Premium Heavy-Duty Bosshead

Catalog Number: (470165-426)
Supplier: Wards
Description: Thicker Than Normal 7 mm Threaded Clamping Screws
Product Image-470165-428

Premium Bosshead with Universal Swivel

Catalog Number: (470165-428)
Supplier: Wards
Description: This bosshead can swivel 360°.
Product Image-470137-832

Boss Head, Square

Catalog Number: (470137-832)
Supplier: Wards
Description: Perfect for Physics
Product Image-470231-448

Universal 2 Prong Clamp with Bosshead, Eisco Scientific

Catalog Number: (470231-448)
Supplier: Wards
Description: A versatile clamp to securely grip a variety of cylindrically shaped glass and labware.
Product Image-470165-424

Premium Bosshead

Catalog Number: (470165-424)
Supplier: Wards
Description: Great for Connecting Rods and Apparatus in Tight Places without Sacrificing Strength
Product Image-470137-842

Boss Head, Double Swivel

Catalog Number: (470137-842)
Supplier: Wards
Description: Our swiveling boss head allows you to hold two rods at any angle.
Product Image-470137-834

Eisco® Boss Head, Aluminum

Catalog Number: (470137-834)
Supplier: Wards
Description: Secure laboratory equipment and apparatus at right angles.
Product Image-470137-826

Boss Head, Right Angle

Catalog Number: (470137-826)
Supplier: Wards
Description: Securely holds rods at a 90 degree angle.
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.
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  • Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. VWR will not lift restrictions for residential shipping addresses.

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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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