#4 SOLID CARBIDE CENTER DRILL#4 SOLID CARBIDE CENTER DRILL 2012-0004, 2-1/8" OAL, 5/16" BODY, 1/8" DRILL, 60 DEGREE 1/8" Drill Point, 1/8" Drill Length, 5/16" Body Diameter, 2-1/8" Overall length, 118-Degree Point, 60-Degree Countersink Angle. Solid Carbide Combined Drill and Countersink's are used to create holes needed to machine materials to hold between centers on lathes. The drill tip creates a small gap that prevents damage to the points of live or dead centers. These are longer lasting than high speed steel and are great for hard or abrasive materials. USA Made in the highest quality of micrograin carbide!
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