HSS Center Drill Set 60 Degree Combined Countersink #1,2,3,4,5 Machinist


-5 PC Center drill set
-Straight flute
-Size: #1 - 5
-#1 center drill with 1/8" body diameter & 3/64" drill tip diameter & 1-1/4" overall length
-#2 center drill with 3/16" body diameter & 5/64" drill tip diameter & 1-7/8" overall length
-#3 center drill with 1/4" body diameter & 7/64" drill tip diameter & 2" overall length
-#4 center drill with 5/16" body diameter & 1/8" drill tip diameter & 2-1/8" overall length
-#5 center drill with 7/16" body diameter & 3/16" drill tip diameter & 2-3/4" overall length
-Made of premium M2 High Speed Steel and ground finished, set comes complete with plastic case or wooden case holding all 5 center drills
-Plain style 60° angle used for producing center holes in workpieces which require precision drilling or machining between centers. Also used as starter holes to prevent a drill bit from "walking"