A221N4
Centre drill (combined drill and countersink) with 60° straight conical form, double ended and cylindrical body, size 4 with 1/8" drill diameter, a body diameter of 5/16" and an overall length of 2.1/8", according to ANSI standard to produce form A centre holes, cobalt based HSS-E and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron
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Material: HSS-E
Cutting Diameter - in (DC): 0.125
Cutting Diameter - mm (DC): 3.18
Drill Point Angle - deg: 118
Lenxth x Diameter Ratio: 1.5
Overall Length (OAL): 2.125
Connetion Diameter: 0.3125
Tool Direction: Right
Shank: Cylindrical shank
Fractional: 1/8
Grade: Bright
EDP: 241899
EAN: 7320760241899
MFG Part Number: 5969089