Single Flute H.S.S. Countersink SetFeatures：9pcs/set, each of :3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 7/8" & 1"Made of H.S.S. and precision groundItemDescription0245-0021Angle:60°0245-1029Angle:82°0245-2027Angle:90°

H.S.S. Countersink With 3/4" Weldon Shank, 3 FluteItemDescriptionCE00-00343/4"CE00-00011"CE00-01141-1/4"CE00-01121-1/2"CE00-01341-3/4"CE00-00022"

6 Flute H.S.S. Machine  Countersinks SetFeatures:8pcs/set, each of :1/4 " , 5/16 " , 3/8 " , 1/2 " , 5/8 " , 3/4 " , 7/8 " & 1"Made of H.S.S. and precision groundItemDescription0206-0010Angle:60°0206-1018Angle:82°0206-2016Angle:90°

**cs Indexable Countersink Set● Positive rake makes for smooth cutting without chatter.● Carbide indexable.● No tool resharpening needed.● Comes with inserts.● **cs/set:1/4", 1/2", 1-1/4"     ItemDescription0046-096060°0046-098282°0046-099090°2224-1034carbide inserts TCMT32.512224-1058carbide inserts SCMT432