Retort & Utility Clamps

Rubber jaws suit general everyday use, while cork-lined jaws give a softer, more even grip for delicate or thin-walled glassware.

Confirm the clamp's maximum jaw opening comfortably fits the flask or vessel diameter you use most often.

Buying the clamp, bosshead, and rod separately lets you build a taller or more complex multi-point stand setup as your needs grow.

A clamp with a reliable screw thread holds its grip through a long heating or reflux session without slipping loose.

A retort clamp is the jawed piece that grips the glassware, while a bosshead is the connector that clamps the whole assembly onto the vertical stand rod. Many products combine both in one unit.

Rubber jaws work well for most everyday glassware, while cork-lined jaws offer a gentler, more even grip that's better suited to delicate or thin-walled vessels.

A typical setup uses two to three clamps at different heights to support the flask, condenser, and receiving vessel independently along the stand rod.

Yes, retort clamps are designed to hold glassware securely above a bunsen burner or heating mantle, as long as the clamp is positioned clear of the direct flame.

Tighten just enough that the flask cannot slip or rotate, without overtightening to the point where the jaws put excess pressure on the glass.