Saber HSS-Co5 (Cobalt) TiN Coated Triple Flute Round Shank 90 Deg. Countersink Set Close tolerance drilling without runout

Close tolerance drilling without runout

Running below the optimum speed will cause chipping

E-Z Chamfer prevents sparks and burns

12 Piece Bright HSS Twist Refill Set

Bright Finish Twist Drills have no surface treatment and are supplied in the as-ground condition

Saber HSS-Co5 (Cobalt) TiN Coated Triple Flute Round Shank 90 Deg. Countersink Set Close tolerance drilling without runoutSaber HSS Co5 (Cobalt) TiN Coated Triple Flute Round Shank 90 Deg. Countersink Set For countersinking and deburring in a wide range of materials including ferrous and non ferrous metals The three fluted countersink is self centering with wide flutes and is used to provide a heavy chamfer in the entrance to a drilled hole. This may be required to allow the correct seating for a countersunk head screw or to provide the lead in for a second machining