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38AV99 Cobalt Jobber-Length Drill Bits

$5.21

Bulk orders will be discounted, please contact us.

These drill bits have a straw/bronze finish that improves their wear resistance. They also have spiral flutes that evacuate chips as the bits drill into a workpiece.

Product Number: 38AV99

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  • Description
Mfr Model 38AV99
Measurement System Fractional Inch
Drill Bit Size 5/16 in
Decimal Equivalent 0.3125
Maximum Drilling Depth 3-3/16 in
Overall Length 4-1/2 in
Shank Diameter 5/16 in
Shank Type Machining Straight
Finish Machining Straw/Bronze
Material Machining Cobalt
Primary Material Application Hi-Temp Alloy; Stainless Steel; Steel
UNSPSC 27112801
Country of Origin China (subject to change)
Cutting Direction Right Hand
Flute Length 3-3/16 in
Flute Type Spiral
Standards Not Rated
Series 550
Drill Bit Point Angle 143 °
Drill Bit Point Type Split Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 21° to 34°
Depth Dia Ratio 4xD
Primary Material Application ISO Code M; P; S
Material Grade Machining M42
Drill Length Class Jobber Length
Sheeter Drill No
Drill Point Length 0.0538mm
Shank Length 38mm
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in/-0.0010 in
Secondary Material Application Non Ferrous Metals
Secondary Material Application ISO Code K; N
Web Construction Split

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