47/64 X 12" HSS Extra Long Drill 60° Carbide Countersinks 5/16-18 UNC-2B Thread Size (

5/16-18 UNC-2B Thread Size (

500 Grip Range]

Box Qty: 1000

SIZE 1" OVERALL LENGTH 3-1/2" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1/2" NUMBER OF FLUTES 3 SHANK TYPE ROUND CUTTING ANGLE 90° SUGGESTED PACK QTY 1

are commonly used to countersink holes for centers or to enlarge existing holes

47/64 X 12" HSS Extra Long Drill 60° Carbide Countersinks 5/16-18 UNC-2B Thread Size (Description Extra length drills are designed for general purpose drilling in situations where more reach is needed. They are built to work well with a wide variety of materials in the iron and steel families. The surface is treated with abrasion resistant black oxide, and the drill has a 118 conventional point tip, as well as a round shank that can be used in a wide range of tool holding systems. Flute length: 9"