Specifications for CENTER DRILL HIGH SPEED STEEL M35(HSS CO5%) COMBINED DRILLS & COUNTERSINK ANSI STANDARD - B TYPE
Size No.(dxd1xLxl) for A & B Type ANSI
#11(3/64"x1/8"x1.1/4"x3/64") or
#12(1/16"x3/16"x1.7/8"x1/16") or
#13(3/32"x1/4"x2"x3/32") or
#14(7/64"x5/16"x2.1/8"x7/64") or
#15(5/32"x7/16"x2.3/4"x5/32") or
#16(3/16"x1/2"x3"x3/16") or
#17(7/32"x5/8"x3.1/4"x7/32") or
#18(1/4"x3/4"x3.1/2"x1/4")