Stopper Hole Boring Set

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.

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.

…filter tubes and other apparatus in filtration assemblies These adapters are functional even if not tightly fitted around the funnel stem Can be used individually or nested with adjacent sizes Provide an excellent alternative to boring special size holes in rubber stoppers Autoclavable

…does not need to be fitted closely around the funnel stem to be functional. Can be used singly or nested with adjacent sizes. Eliminates boring of special size holes in rubber stoppers and difficulties of insertion and removal. Withstands autoclaving. Available as a set or in individual sizes.

…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…