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439C17 Taper-Length Drill Bits

$46.90

Bulk orders will be discounted, please contact us.

The TiN coating on these drill bits protects them from wear and heat when drilling steel, stainless steel, and aluminum. High-speed steel drill bits provide more flexibility and absorb more shock and vibration than cobalt and carbide drill bits, making them suitable for use in manual drilling machines and handheld power tools. They may leave a rough finish on the hole. These bits have spiral flutes that evacuate chips as the bits drill into a workpiece.

Product Number: 439C17

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  • Description
Mfr Model 55265
Measurement System Fractional Inch
Drill Bit Size 33/64 in
Decimal Equivalent 0.5156
Maximum Drilling Depth 6 in
Overall Length 8 in
Shank Type Machining Straight
Finish Machining TiN
Material Machining High Speed Steel
Primary Material Application Aluminum; Brass; Bronze; Copper; Magnesium; Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 6 in
Flute Type Parabolic
Standards ANSI
Drill Bit Point Angle 135 °
Drill Bit Point Type Notched Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 40°
Depth Dia Ratio 8xD
Shank Dia 33/64 in
Primary Material Application ISO Code N; P
Material Grade Machining Heavy Duty
Drill Length Class Taper Length
Sheeter Drill No
Drill Point Length 0.1068 in
Shank Length 2 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0012 in
Secondary Material Application Alloy Steel; Carbon Steel; Stainless Steel
Secondary Material Application ISO Code M; P
Number of Coolant Holes 2

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