Micro-Mill® produces high speed grinding of small samples, from 20 ml to 50 ml. Blade will rotate at speeds up to 20,000 rpm. Mechanical timer (0-5 min) with “on“ position for continuous operation. Only when the cover is securely latched in place can the safety switch be activated. Grinding chamber is stainless steel, 2 1/8"" dia. x 1"" deep, and is closed during the entire milling procedure to lessen sample loss. Circulating methanol-dry-ice liquid, liquid nitrogen, or water will lower chamber temperature. Hose connections for 1/4"" I.D. tubing. Universal motor rated 1/3 hp; high torque. Shipping weight 14 lbs. Size is 5.5 W x 7 D x 11""H. For 115 volt, 60 Hz. Unit includes one stainless steel blade, 6-foot, 3-wire cord and plug. Warranty: One year.
617-710-40 comes with hard-faced blade and hard-face grinding chamber. Grinds samples to hardness of stellite 6.
617-710-42 is the same as 617-700-89, except without timer.