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Top rated lab beaker clamps

AI-generated summary · updated July 27, 2026 · verify details before purchase.

  1. Best overall

    Laboy Lab Beaker Clamp, 3-Prong Extension Clamp

    4.3/5 $8-$12

    Stainless steel 3-prong clamp with rubber grips, fits beakers 250-2000ml, durable and corrosion-resistant.

    • Rubber grips protect glassware
    • Strong stainless steel construction
    • Adjustable for various sizes
    • Screw can loosen over time
  2. Best value

    Eisco Labs 3-Prong Universal Clamp with Rubber Grips

    4.5/5 $10-$15

    Zinc-plated steel clamp with rubber-covered prongs, suitable for beakers and flasks up to 2000ml, widely used in labs.

    • Non-slip rubber grips
    • Versatile for beakers and flasks
    • Corrosion-resistant coating
    • Not for very large beakers
  3. Best budget pick

    United Scientific 3-Prong Clamp with Rubber Grips

    4.2/5 $7-$10

    Economical 3-prong clamp with zinc plated steel and rubber tips, fits beakers 150-1000ml, good for basic lab use.

    • Low cost
    • Lightweight
    • Rubber tips prevent slippage
    • Less durable than stainless steel
    • Limited size range
  4. Best for heavy beakers

    Humboldt 3-Prong Extension Clamp with Rubber Grips

    4.1/5 $12-$18

    Heavy-duty stainless steel clamp with rubber grip for beakers up to 4000ml, strong hold for larger vessels.

    • Can hold large beakers
    • Stainless steel resists rust
    • Firm grip with rubber pads
    • Heavier than standard clamps
    • Higher price
  5. Best for schools

    Karter Scientific 3-Prong Clamp with Rubber Tips

    4.0/5 $6-$9

    Budget-friendly zinc alloy clamp with rubber coated tips, fits beakers 100-1000ml, ideal for educational labs.

    • Very affordable
    • Easy to clean
    • Good for small beakers
    • Not for heavy use
    • Tips may wear out
  6. Best stainless steel

    Eisco Labs Stainless Steel Beaker Clamp, 3-Prong

    4.4/5 $10-$16

    All stainless steel 3-prong clamp with rubber sleeves, corrosion-proof and autoclaveable, fits beakers 250-2000ml.

    • Fully stainless steel
    • Autoclavable
    • Rubber sleeves protect glass
    • Slightly expensive
    • Sleeves may slip if wet
  7. Best for precision

    United Scientific SS3P Stainless Steel 3-Prong Clamp

    4.3/5 $11-$15

    Precision-machined stainless steel clamp with vinyl grips, holds beakers securely without damaging glass.

    • Machined for precision fit
    • Vinyl grips are gentle
    • Durable and long-lasting
    • Pricey for plastic grips
    • Limited to standard sizes

Buying advice

Look for clamps with rubber or vinyl grips to prevent glass breakage. Stainless steel offers durability and corrosion resistance, while zinc-plated options are cheaper but less robust. Ensure the clamp size matches your beaker volume - most 3-prong clamps work for 250-2000ml. For large beakers (>2L), choose heavy-duty clamps with wider jaws. Consider if you need autoclave compatibility for sterilization. Price varies from $6 to $18; balance cost with expected usage frequency.

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