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4AC80 Cobalt Jobber-Length Drill Bits

$5.67

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: 4AC80

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  • Description
Mfr Model C23361
Measurement System Fractional Inch
Drill Bit Size 5/16 in
Decimal Equivalent 0.3125
Maximum Drilling Depth 2-3/8 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 Steel, Cast Iron, Aluminum and Non-Ferrous Material, Hi-Temp Alloy, Hardened Steel
UNSPSC 23171609
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 3-3/16 in
Flute Type Spiral
Standards ASME B94.11M
Series 1802
Drill Bit Point Angle 135 °
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 H; K; N; P; S
Material Grade Machining High Performance
Drill Length Class Jobber Length
Sheeter Drill No
Drill Point Length 0.0647 in
Shank Length 1-5/16 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in/-0.0010 in
Secondary Material Application Aluminum; Cast Iron; Hardened Steel; High Carbon Steel; Stainless Steel
Secondary Material Application ISO Code H; K; M; N; P
Web Construction Split

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