Alliant Diamond Core Drill/Mill » New & Refurbished Products » Optics Equipment » Core Drills » Alliant Diamond Core Drill/Mill Product Details: > Model: 42S > Through the spindle coolant > Variable speeds up to 4200 RPM > Power feeds > Work table: 9" x 42" > With Mitutoyo DRO Additional Details Product Enquiry You Might Also Like These Rogers and Clarke G300 Grinder/Generator w/ DRO 32″ ExcellTech-USA Brand New Grinder & Polisher – New DC Drives for Spindle & Eccentric (6) Spdl. Strasbaugh 12” Capacity – DC Drive System – Model 6DE-DC – Fully Equipped Seikoh Giken SFP-510 Fiber Polisher