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439R49 Taper-Length Drill Bits

$27.02

Bulk orders will be discounted, please contact us.

These bits have a straw/bronze finish that improves their wear resistance. Cobalt drill bits tolerate higher drilling speeds and are harder and more wear-resistant than high-speed steel drill bits. They provide some shock absorption and can be used in handheld power tools. These bits have spiral flutes that evacuate chips as the bits drill into a workpiece.

Product Number: 439R49

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  • Description
Mfr Model C14999
Measurement System Fractional Inch
Drill Bit Size 11/32 in
Decimal Equivalent 0.3438
Maximum Drilling Depth 5-1/4 in
Overall Length 6-1/2 in
Shank Type Machining Straight
Finish Machining Straw/Bronze
Material Machining Cobalt
Primary Material Application Cast Iron; Stainless Steel; Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 5-1/4 in
Flute Type Spiral
Standards AIS
Drill Bit Point Angle 118 °
Drill Bit Point Type Notched Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 21°/34°
Depth Dia Ratio 4xD
Shank Dia 11/32 in
Primary Material Application ISO Code K; M; P
Material Grade Machining M42
Drill Length Class Taper Length
Sheeter Drill No
Drill Point Length 0.1033 in
Shank Length 1-1/4 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0010 in
Secondary Material Application Carbon Steel; Cast Iron; Stainless Steel
Secondary Material Application ISO Code K; M; P
Number of Coolant Holes 2

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