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439N55 Taper-Length Drill Bits

$1.78

Bulk orders will be discounted, please contact us.

These drill bits have a bright finish that is not affected when their cutting edges are resharpened. 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: 439N55

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  • Description
Mfr Model C09130
Measurement System Wire
Drill Bit Size #32
Decimal Equivalent 0.1160
Maximum Drilling Depth 2-3/4 in
Overall Length 5-1/8 in
Shank Type Machining Straight
Finish Machining Bright (Uncoated)
Material Machining High Speed Steel
Primary Material Application Aluminum; Brass; Bronze; Copper; Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 2-3/4 in
Flute Type Helical
Standards ASME B94.11M-1993
Drill Bit Point Angle 118 °
Drill Bit Point Type Conventional Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 35°/45°
Depth Dia Ratio 4xD
Shank Dia 7/64 in
Primary Material Application ISO Code N; P
Material Grade Machining General Purpose
Drill Length Class Taper Length
Sheeter Drill No
Drill Point Length 0.0348 in
Shank Length 2-3/8 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0005 in
Secondary Material Application Carbon Steel
Secondary Material Application ISO Code P
Number of Coolant Holes 2

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