Kennametal 3891683 0.4220 in Drill Bit Size, 7.4016 in Flute Length, 9.3701 in OAL, 2 Flutes, Carbide, Extra Length Drill Bit
KENNAM 3891683
$677.31
/ EA
Out of Stock
- Drill Bit Size - Decimal: 0.422 in
- Drill Bit Size - Metric: 10.72 mm
- Drill Bit Material: Carbide
- Overall Length: 9.3701 in
- Coolant Through: Off-center Axial Coolant
- Drill Point Length: 0.078 in
- Finish/Coating: Uncoated
- Flute Length: 7.4016 in
- Flute Type: Spiral
- Hand of Tool: R - Right
- Helix Angle: 30.142 deg
- Number of Flutes: 2
- Shank Diameter - Decimal: 0.4331 in
- Shank Diameter - Metric: 11 mm
- Shank Length: 1.811 in
- Flat bottom drills with through coolant
- Application-specific SC drills that combine two operations in one:
1) Eliminate the 180° end mill in flat-bottom drilling or when preparing an inclined or curved surface for drilling. 2) After full cylindrical engagement, the drill runs at normal solid carbide drilling parameters - Unique FB drill-point design with two effective cutting edges over center enable high feed rates
- Creates a true flat-bottom hole from O.D. to center
- Four-margin land design improves hole straightness and roundness and provides good alignment, even when drilling cross holes
- Three grades-geometry-combinations available to cover most common materials