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441L27 High-Speed Steel Screw-Machine Length Drill Bits

$33.22

Bulk orders will be discounted, please contact us.

The AlCrN coating on these drill bits protects them from wear during dry, high-speed machining applications. It is harder, resists cracking and oxidization better, and performs better in high-feed applications than a TiAlN coating. It also resists high heat better than an AlTiN coating. Parabolic-flute drill bits have wide, deep flutes that improve chip flow and heat dissipation, which means feed rates do not need to be reduced as the drill moves deeper into the workpiece.

Product Number: 441L27

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  • Description
Mfr Model A1149XPL-LET.K
Measurement System Letter
Drill Bit Size K
Decimal Equivalent 0.2810
Overall Length 74.00 mm
Shank Diameter 7.14 mm
Shank Type Machining Straight
Finish Machining AlCrN
Material Machining High Speed Steel
Primary Material Application Aluminum; Brass; Bronze; Cast Iron; Copper; Stainless Steel; Steel
UNSPSC 27112801
Country of Origin France (subject to change)
Cutting Direction Right Hand
Flute Length 1-21/64 in
Flute Type Parabolic
Standards DIN 1897
Drill Bit Point Angle 130 °
Drill Bit Point Type Conventional Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 28 °
Depth Dia Ratio 3xD
Primary Material Application ISO Code K; M; N; P
Material Grade Machining General Purpose
Drill Length Class Screw Machine Length
Sheeter Drill No
Drill Point Length 1.66 mm
Shank Length 40.00 mm
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance H8
Secondary Material Application Composite; Nickel; Titanium
Secondary Material Application ISO Code O; S

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