A217N7
Centre drill (combined drill and countersink) with 82° straight conical form, double ended and cylindrical body, size 7 with 1/4" drill diameter, a body diameter of 5/8" and an overall length of 3.1/4", according to ANSI standard to produce form A centre holes or starting pilot and conical seat for US standard countersunk-head screws, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron
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Material: HSS
Cutting Diameter - in (DC): 0.25
Cutting Diameter - mm (DC): 6.35
Drill Point Angle - deg: 120
Flute Length: 1.8125
Lenxth x Diameter Ratio: 1
Overall Length (OAL): 3.25
Connetion Diameter: 0.625
Tool Direction: Right
Shank: Cylindrical shank
Grade: Bright
EDP: 239278
EAN: 7320760239278
MFG Part Number: 5969423