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4KW10 High-Speed Steel Extended-Length Drill Bits

$7.55

Bulk orders will be discounted, please contact us.

These extended-length drill bits meet National Aerospace Standards (NAS) 907 Type B for drill bits used in aircraft repair and production. They have a black-oxide finish that retains lubricants to improve their wear resistance and chip flow. Black-oxide bits should only be used for drilling ferrous metals. Spiral-flute drill bits evacuate chips as the bits drill into a workpiece. These bits do not have coolant holes, so a separate hose is required to bring coolant to the bits' tip if it is needed.

Product Number: 4KW10

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  • Description
Mfr Model DW1604
Measurement System Fractional Inch
Drill Bit Size 3/16 in
Decimal Equivalent 0.1875
Maximum Drilling Depth 2-23/64 in
Overall Length 12 in
Shank Type Machining Straight
Finish Machining Black Oxide
Material Machining High Speed Steel
Primary Material Application Steel
UNSPSC 27112801
Country of Origin China (subject to change)
Cutting Direction Right Hand
Flute Length 2-23/64 in
Flute Type Spiral
Standards Not Rated
Drill Bit Point Angle 135 °
Drill Bit Point Type Split Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 21° to 34°
Depth Dia Ratio 13xD
Shank Dia 3/16 in
Primary Material Application ISO Code P
Material Grade Machining High Performance
Drill Length Class Extra Long
Sheeter Drill No
Drill Point Length 0.0203 in
Shank Length 15/8 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0005 in
Secondary Material Application Cast Iron; Stainless Steel
Secondary Material Application ISO Code K; M
Web Construction Tapered

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