KEO #8 CENTER DRILL, 5/16 DRILLKEO #8 CENTER DRILL, 5/16 DRILL 10800, 3-1/2" OAL, 3/4" BODY DIAMETER, PLAIN TYPE, HSS 5/16" Drill Point Diameter, 5/16" Drill Point Length, 3/4" Body Diameter, 3-1/2" Overall Length, 118-Degree Drill Point, Plain Type, High Speed Steel, 60-Degree Countersink Angle. ALSO AVAILABLE IN LONG LENGTH, COBALT, CARBIDE & TIN COATED. Combined Drill & Countersinks are used when locating an accurate center hole is required to assure the precision and quality of subsequent machining operations. Used specifically in lathe turning operations for locating center holes for materials to be held by live or dead centers.
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