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406Y66 Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits

$1.50

Bulk orders will be discounted, please contact us.

Wire-size drill bits come in standard sizes that correspond to American Wire Gauge (AWG) sizes. The larger the wire size, the smaller the bit. These drill bits have a black-oxide finish that retains lubricants to improve the bits' wear resistance and chip flow. Black-oxide bits should only be used for drilling ferrous metals. The bits' spiral flutes evacuate chips as the bits drill into a workpiece, and their straight shank installs into a drill chuck or similar toolholder.

Product Number: 406Y66

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  • Description
Mfr Model 44140
Cutting Direction Right Hand
Finish Machining Black Oxide
Measurement System Wire
Material Machining High Speed Steel
Drill Bit Point Angle 118 °
Drill Bit Point Type Conventional Point
Primary Material Application cast Iron; Steel
Coolant Fed Non-Coolant Through
Depth Dia Ratio 4xD
Flute Type Spiral
Standards ANSI
UNSPSC 27112801
Country of Origin USA (subject to change)
Drill Length Class Jobber Length
Spiral Direction Right Hand
Drill Bit Size #70
Decimal Equivalent 0.028
Number of Flutes 2
Flute Length 3/8 in
Shank Type Machining Straight
Shank Length 7/8 in
Overall Length 1-1/4 in
Drill Point Length 0.0084 in
Drill Diameter Tolerance +0.0000 in/-0.0005 in
Sheeter Drill No
Material Grade Machining General Purpose
Primary Material Application ISO Code K; P
Secondary Material Application Non Ferrous Material
Secondary Material Application ISO Code M
Series 150
Maximum Drilling Depth 9/32 in
Helix Angle 21° to 34°
Aircraft Drill No
Web Thinning Thinned

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