Electromagnetic Base Drilling System, 1 2 in Jacobs Chuck, 450 rpm no checkout [Nom] 4 1 2 in Grit 24 [Nom] 4 1 2 in Grit 24 Hardness Grade R Hazmat NO Jan San Catalog NO Mounting Unthreaded Product Features New Products Prop 65 YES Quarterly Flier NO Special Order NO Speed [Max] 13300 RPM Stock Status In Stock Style A24R Thickness [Nom] 1 4 in Tool Shape Type 27 Type Grinding Wheel Used With Right Angle Grinder Welding Catalog NO including hose assemblies and is easily mounted with the supplied chuck and adaptor Integrated coolant system High quality construction Quick and easy adjustable head position Heavy duty magnetic holding power Twist drills up to 1 2 in dia