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2THP6 Cobalt Jobber-Length Drill Bits

$7.04

Bulk orders will be discounted, please contact us.

These drill bits can drill into harder materials than would be possible with standard cobalt jobber-length drill bits with a straw/bronze finish. They are used for drilling tough, high-tensile, and work-hardened materials like titanium. The bits have a straw/bronze finish that improves their wear resistance, and they have spiral flutes that evacuate chips as the bits drill into a workpiece.

Product Number: 2THP6

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  • Description
Mfr Model 47721
Measurement System Fractional Inch
Drill Bit Size 21/64 in
Decimal Equivalent 0.3281
Maximum Drilling Depth 2-31/64 in
Overall Length 4-5/8 in
Shank Diameter 5/16 in
Shank Type Machining Straight
Finish Machining Straw/Bronze
Material Machining Cobalt
Primary Material Application Cast Iron; Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 3-5/16 in
Flute Type Spiral
Standards ANSI
Series 550ASP
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 K; P
Material Grade Machining M42
Drill Length Class Jobber Length
Sheeter Drill No
Drill Point Length 0.068 in
Shank Length 1-5/16 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in/-0.0010 in
Secondary Material Application Cast Iron. Aluminum; Hardened Steel; High Carbon Steel; Stainless Steel
Secondary Material Application ISO Code H; K; M; N; P
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