Long Combined Drill and Countersinks Are Used For Drilling Applications Requiring Long Reach Operations.
Long Combined Drill and Countersinks are made of high speed steel for long lasting durability. Used for centering ends of work for subsequent revolving machining operations. Overall lengths are 3", 4", 5" and 6" Body diameters are 1/8" to 3/4" Drill diameters are 3/64" to 5/16"
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