Stopper 2 Hole

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Stopper 2 Hole
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  • Two Hole Rubber Stoppers

    Plasticoid

    Standard Grade Sizes No. 00, 0 and 1 have holes 2, 3 and 4 mm diameter, respectively; all other sizes have holes 5 mm diameter

  • Filtering Flask Kit (Vacuum Pump Kit)

    GSC International, Inc.

    The Gas Generating Bottle is useful in the production of gasses and provides a funnel tube and a connecting tube. Includes a 500ml capacity Bottle, 2-hole Rubber Stopper, Thistle Tube and a 90 degree angle connector tube.

  • One-Hole Rubber Stoppers

    Plasticoid

    Size No. 000, 00 and 0 have hole 3 mm diameter; sizes No. 1 and 2 have hole 4 mm in diameter; all other sizes have hole 5 mm in diameter.

  • Stopper Assortment

    Plasticoid

    Made of soft, pliable, black-compounded stock Length: 25 mm Includes stoppers of solid, one-hole and two-hole styles in sizes 00, 0, 1, 2, 3, 4, 5, 6, 6 1/2, 7 and 8; total of 66 stoppers

  • Twistit Convertible Stoppers

    Plasticoid

    …resilient, white natural rubber Seals vacuum-tested to 760 mm Hg Autoclavable, with good shelf life. Sizes #3 & #4 have two holes; #5 - #10 have the (3) holes. 8744H10 Assortment includes nine size 3, eight size 4, six size 5, four size 6, two each sizes 7 and 8, one each sizes 9 and 10.

  • Cork Boring Machine

    Humboldt

    Designed to mount on any tabletop, the Humboldt Cork Boring Machine has an adjustable guide that permits holes to be bored in any part of a stopper. The knurled chuck accommodates the 9/16" (14mm) shank of the eight, plated-steel borers included with the unit. The steel borers range from 3/16" to…

  • Assorted 2 Hole Rubber Stoppers

    GSC International, Inc.

    RS-2H-C 1 pound package of assorted 2 hole rubber stoppers. Sizes and quantities are as follows: Size 2: 3 each Size 3: 3 each Size 4: 3 each Size 5: 3 each Size 6: 3 each Size 7: 3 each Size 8: 3 each

  • Rubber Stoppers

    United Scientific Supplies

    Rubber Stoppers packaged in convenient 1lb bags. Available in solid, 1 hole, and 2 hole versions.

  • Rubber Stoppers

    Plasticoid

    …for added chemical resistance Listed mainly by trade-size, available in solid, one-hole, and two hole rubber stoppers. Uses vary widely, some are outlined below: Carboy Stoppers Crucible Holders Laboratory & Test Tube Stoppers Masking Applications Micro Stoppers Pipe Plugs Tube Stoppers

  • Delivery Tubes

    Dynalon

    … Suitable  for many types of gas collection experiments. 6mm  O.D. fits 5mm stopper holes. Available in three other configurations of 1086 series. Delivery Tube, Bung Top (2) Polypropylene (1211A65) Product Dimensions (l x w x h) : 6.25x0.271x10.812in …

  • Chemistry Labware Kit

    United Scientific Supplies

    …Gauze, 5” x 5”, with ceramic center [1] Crucible, Porcelain, 25 ml with lid [1] Watch Glass, 75 mm dia [1] Plastic Scoop [1] Spatula, stainless, 3” long blade with wooden handle [3] Rubber Stoppers, solid [3] Rubber Stoppers, one-hole [3] Rubber Stoppers, two-hole

  • Filter Flask with Stopper Joint

    Wilmad LabGlass

    This borosilicate glass heavy wall filtering flask can be used with FILTERWARE® Filtration Apparatus (LG-1755). Supplied with a silicone stopper with 9/16" hole and a #2 hose connection, the 4000mL flask has 1/2" connections.

  • Analytical Test Filter Funnels

    Thermo Scientific Nalgene

    …has official certification for water quality work The 0.2 µm membrane is excellent for sterility testing Graduated upper chamber provides accurate and convenient sample measurements Includes six funnel adapters designed to fit a #8 rubber stopper with a 1/2-inch hole. Case contains 50 filters.

  • Laboratory Grade Automatic Burets with Straight Stopcocks with PTFE Plugs

    Wilmad LabGlass

    This inexpensive portable titration set features a 2mm straight stopcock with PTFE plug. The borosilicate glass buret is filled by pressure supplied by the rubber bulb. A small hole in the filling tube at the "O" line permits setting of the liquid level and excess titrant is returned to…

  • Deluxe Chemistry Hardware Assortment

    United Scientific Supplies

    …& Pestle, 90mm (1), Rubber Stopper, #1, solid (6), Rubber Stopper, #1, one-hole (1), Rubber Stopper, #2, solid (1), Rubber Stopper, #2, one-hole (1), Rubber Stopper, #2, two-hole (1), Rubber Stopper, #6, solid (3), Rubber Stopper, #6, one-hole (3), Rubber Stopper, #6, two-hole (3), Spatula,…

  • Cork Borer Sets with Handles, Plated Steel Set

    Humboldt

    These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

  • Hubbard Specific Gravity Bottle

    Wilmad LabGlass

    …of a variety of semi solid materials and emulsions, such as asphalt cements, road tars, road oils, and soft tar pitches. The solid Standard Taper stopper has a hole approximately 1.6mm in diameter through the center to allow excess sample to escape. Reference: ASTM D 70, AASHO Method T 43

  • Laboratory Grade Automatic Burets with Straight Stopcocks

    Wilmad LabGlass

    This inexpensive portable titration set features a 2mm straight bore stopcock. The borosilicate glass buret is filled by pressure through a tube extending from the bottle up inside the graduated tube. A small hole in the filling tube at the "O" line permits setting of the liquid level and…

  • Scienceware® Vacu-Rack

    Bel-Art Products

    … Tubes are suspended in channels by colored stoppers providing instant visual identification One or two channels may be left open for stacking blood samples in sequential order as they are taken, for later numbering Three large holes for needle holders make this a complete blood drawing…

  • Assorted 1 Hole Rubber Stoppers

    GSC International, Inc.

    1 pound package of assorted 1 hole rubber stoppers. Sizes and quantities are as follows: Size 00: 4 each Size 0: 4 each Size 1: 4 each Size 2: 4 each Size 3: 4 each Size 4: 3 each Size 5: 3 each Size 6: 3 each Size 7: 3 each

  • Black Rubber Stoppers

    GSC International, Inc.

    A black rubber stopper that is useful in a number of applications. Available in a variety of sizes. Each pack is one pound. Choose from solid, 1 hole, and 2 hole stoppers.

  • Leash

    Plasticoid

    For securing stoppers to neck of vessel or stopcock plugs to shell Rubber strip, 100 mm long x 5 mm wide, has hole 10 mm diameter at each end, expandable to 28 mm

  • Microcentrifuge Tube Racks

    United Scientific Supplies

    …both 1.5ml and 2.0ml microcentrifuge tubes. Racks lock together on each side so that several can be attached for larger experiments. Each hole has molded in numbers for sample indentification. Ergonomic design provides easy insertion and removal and of tubes. Include rubber stopper suppors on the…

  • Transparent 6 Gallon PET Carboys

    Dynalon

    …along with several accessories for use in fermentation applications. These are: 2 Polypropylene screw closures, one with a hole that accepts a #10 stopper 1 No. 10 silicone rubber stopper with a hole (useful for a 3 piece fermentation lock) 1 EPDM O-ring that can be inserted into the…

  • Class A KIMAX Micro Burets With PTFE Stopcock

    Kimble

    Scale is durable white ceramic enamel Funnel top to accept No. 3 one-holed rubber stopper Class A accuracy Stopcock for both sizes is Standard Taper 2 1990K60 is graduated in 0.01 mL intervals. 1990K80 is graduated in 0.02 mL intervals.

  • Sidearm Flask 10ml

    Kimble

    …counting vial Sidearm flask enables syringe needle entry without disturbing established conditions Rubber stopper provides a double seal and has an off-center hole for the insertion of the center well Manufactured from 33 expansion, low extractable borosilicate glass conforming…

  • Flask Erlenmeyer 10ml

    Kimble

    …counting vial Sidearm flask enables syringe needle entry without disturbing established conditions Rubber stopper provides a double seal and has an off-center hole for the insertion of the center well Manufactured from 33 expansion, low extractable borosilicate glass conforming…

  • Hardware Assortment Kit

    United Scientific Supplies

    …4” Clamp - 1 Rubber Stoppers # 0, 1-hole - 2 Rubber Stoppers # 3 1-hole - 2 Rubber Stoppers # 6 1-hole - 2 Rubber Stoppers # 6 2-hole - 2 Rubber Tubing, 4 ft., 1/4" i.d. - 1 Test Tube Clamp - 2 Test Tube Brush 3x1/2" - 1 Test Tube Rack, 12 Holes, 12 Pins, Wood - 1 …

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