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54LN78 Coolant-Through Solid Carbide Jobber-Length Drill Bits

$94.71

Bulk orders will be discounted, please contact us.

The WXL coating on these drill bits protects them from wear and is designed for drilling nonferrous metals and steels with a Rockwell hardness of up to 50 HRC. It is harder and has a higher oxidation temperature than a TiAlN coating. These bits have spiral flutes that evacuate chips as the bits drill into a workpiece, and they have a straight shank that installs into a drill chuck or similar toolholder.

Product Number: 54LN78

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  • Description
Mfr Model 8667720
Measurement System Metric
Drill Bit Size 7.20 mm
Decimal Equivalent 0.2835
Maximum Drilling Depth 58 mm
Overall Length 118.00 mm
Shank Diameter 8 mm
Shank Type Machining Straight
Finish Machining WXL
Material Machining Carbide
Primary Material Application Cast Iron; Stainless Steel; Steel; Titanium
UNSPSC 27112801
Country of Origin Japan (subject to change)
Cutting Direction Right Hand
Flute Length 58.00 mm
Flute Type Spiral
Standards Not Rated
Series 5210
Drill Bit Point Angle 140 °
Drill Bit Point Type R Thinning Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 30°
Depth Dia Ratio 5xD
Primary Material Application ISO Code K; M; P; S
Material Grade Machining High Performance
Drill Length Class Jobber Length
Sheeter Drill No
Drill Point Length 2.09mm
Shank Length 60.00 mm
Coolant Fed Coolant Through
Drill Diameter Tolerance +0.000/-0.022 mm
Secondary Material Application Alloy Steel; Aluminum; Hardened Steel; High Carbon Steel
Secondary Material Application ISO Code H; N; P
Number of Coolant Holes 2
Web Construction Split

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