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4UL57 Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits 02

$2.44

Bulk orders will be discounted, please contact us.

These drill bits come in standard sizes expressed in fractional inches. They 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. These bits have a straight shank that installs into a drill chuck or similar toolholder.

Product Number: 4UL57

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  • Description
Mfr Model 4UL57
Cutting Direction Right Hand
Finish Machining Black Oxide
Measurement System Fractional Inch
Material Machining High Speed Steel
Drill Bit Point Angle 118 °
Drill Bit Point Type Conventional Point
Primary Material Application Composite
Coolant Fed Non-Coolant Through
Depth Dia Ratio 9xD
Flute Type Spiral
Standards Not Rated
UNSPSC 23171609
Country of Origin China (subject to change)
Drill Length Class Jobber Length
Spiral Direction Right Hand
Drill Bit Size 19/64 in
Decimal Equivalent 0.2969
Number of Flutes 2
Flute Length 3-1/16 in
Shank Type Machining Straight
Shank Length 2-1/2 in
Overall Length 4-3/8 in
Drill Point Length 0.2011mm
Drill Diameter Tolerance +0.0000 in/-0.0012 in
Sheeter Drill No
Material Grade Machining General Purpose
Primary Material Application ISO Code O
Secondary Material Application Medium Carbon Steel; Stainless Steel
Secondary Material Application ISO Code M; P
Series 7500
Maximum Drilling Depth 3-1/16 in
Helix Angle 21° to 34°
Aircraft Drill No
Web Thinning Thinned
Web Construction Conventional Point

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