Kimble® Kontes® All Glass Tenbroeck Tissue Grinders
These Kontes® all-glass Tenbroeck tissue grinders are made of borosilicate glass. It is a popular style which affords the choice of hand or motor operation. Pestle is tooled for an appropriately sized single hole rubber stopper (not supplied). By inserting a short metal rod in the stopper, these grinders can be motor driven at slow speeds by inserting the metal rod into the motor chuck. Clearance between pestles and tubes is 0.004-inch to 0.006-inch.