Products / Clamps
Adjustable Clamp Holder
The adjustable clamp holder is designed for use with rods up to ½" (13mm). Made from cast iron with ¼" -20 aluminum alloy thumbscrews. Swivels and locks to any angle. Humboldt
Day's Pinchcock Clamp
Steel wire; nickel plated. Jaw opening for up to ⅜" (10mm) diameter tubing. Length 2⅝" (67mm). Humboldt
Hook Clamp
Steel clamp hook supports suspended thermometers, drying tubes, potash bulbs, etc. Locks into any position with check-nut. Maximum distance from center of muff to hook 4¼" (108mm); minimum distance 3⅞" (98mm). Humboldt
Gas Cylinder Clamp
For supporting large compressed gas cylinders such as the "F" and "G" size oxygen cylinders. Cylinder strap is made of nylon webbing. Can be clamped to edge of table, desk or lab bench. Ohaus
Medium Versatile Clamps
Same as C4920 except for the objects 5-57mm diameter and overall length 222mm. Richard-Allen Scientific Richard-Allan
Thermometer Clamp
Zinc alloy. Holds thermometers or tubing from 1/4"(6mm) to 1/2"(13mm) diameter. Rotates 360° and may be positioned and locked at any angle. Extends up to 3/4"(19mm). Fits rods up to 11/16"(18mm) in diameter. Richard-Allen Scientific Richard-Allan
Nester Extension Clamps
Sliding chain encircles and holds large beakers, flasks, or any cylindrical object from 1 1/2" (38mm) up to 4" (102mm) in diameter. Extension arm is 6" (152mm) long; chain is 12" (305mm) long. Richard-Allen Scientific Richard-Allan
Round Jaw Buret Clamp
Stamped steel with zinc plating. Jaws rotate 360° and may be locked at any angle by checknut. Length 6⅜" (162 mm), jaw opening ⅜" (10 mm) - 1⅜" (35 mm). Humboldt
Thermometer Extension Clamp
Zinc alloy. Holds thermometers firmly away from lab frame for easy access to labware. 8 1/2" (216mm) long. For thermometers up to 7mm in diameter with locating bulb. Richard-Allen Scientific Richard-Allan
Stoddard Test Tube Clamp
Self-closing; rectangular Jaw; plain brass wire. Length 5" (127mm) with a jaw opening for up to 1" (25mm) diameter test tubes. Humboldt
Jumbo Hosecock Clamp
Zinc alloy. Heavy duty. Accepts tubing to 7/8" (22mm) O.D. Bottom bar pivots open. No pressure is applied to locking pin, assuring easy opening. Jaw face is curved for easy shut-off. Supplied with two screws. Richard-Allen Scientific Richard-Allan
Jumbo Type Clamp Holder
Zinc alloy. Provides support for heavy loads, such as stirrers. Jaws will grip shelves and bench tops up to 3/4" (19mm) and pipes or rods up to 1" (25mm). Richard-Allen Scientific Richard-Allan
Hose Clamps
Worm drive stainless steel hose clamps. Also known as "Speed Clamps". Standard screwdriver slot. Humboldt
Heavy-Duty Screw Compressor Clamp
Standard Open-Jaw C-Clamp Without side post. Designed for heavy-duty applications, these clamps are manufactured from heavy, die-cast, zinc-alloy and plated for corrosion resistance. Humboldt
Medium Extension Clamps
Curved zinc alloy jaws for objects 8-64mm diameter, stainless steel spring and extension arm. Overall length 226mm. Richard-Allen Scientific Richard-Allan
All Position Clamp Holder
Zinc alloy. Both bases of the clamp holder rotate 360° at right angles to each other and lock firmly. Fits rods and clamps up to 3/4" in diameter. Richard-Allen Scientific Richard-Allan
Round Jaw Coated Buret Clamp
Clamp has Plastisol-coated jaws that rotate 360° and may be locked at any angle by checknut. Stamped steel with zinc plating. Length 6⅜" (162mm) jaw opening ⅜" (10mm) to 1⅜" (35mm). Humboldt
Swivel Type Clamp Holder
Zinc alloy. This holder rotates a full 360°. Fits rods and clamps up to 3/4" (19mm) in diameter. Richard-Allen Scientific Richard-Allan
Large Versatile Clamps
Zinc alloy with stainless steel spring and extension arm. Three finger jaws will hold objects 6-89mm diameter. Overall length 276mm. Richard-Allen Scientific Richard-Allan
Clamp Holder with 5/16" Thumbscrew
The standard clamp holder is designed for use with rods up to ¾" (19mm). The adjustable version is designed for use with rods up to ⅝" (16mm) in diameter. Made from nickel-plated cast iron with 5/16" aluminum alloy thumbscrews. Humboldt