1" 60° HSS 3-Flute Countersink 60° 4-Flute Countersinks Can be used on multi-spindle

Can be used on multi-spindle or hand-held operations

Ideal for extended reach

4-flute countersinks

while the high red hardness allows for drilling speeds up to 30% faster than standard M2 HSS

while the round shank makes them compatible with various tool-holding systems

1" 60° HSS 3-Flute Countersink 60° 4-Flute Countersinks Can be used on multi-spindleSpecifications 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 60 SUGGESTED PACK QTY 1 3 flute countersinks, also known as center reamers, are commonly used to countersink holes for centers or to enlarge existing holes.