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440P57 Metalworking Micro Drill Bits

$6.82

Bulk orders will be discounted, please contact us.

High-speed steel micro drill bits provide more flexibility and absorb more shock and vibration than cobalt and carbide micro drill bits, making them suitable for use in manual drilling machines and handheld power tools. They may leave a rough finish on the hole. The bright finish on these drill bits is not affected when the bits' cutting edges are resharpened. Spiral-flute drill bits evacuate chips as the bits drill into a workpiece.

Product Number: 440P57

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  • Description
Mfr Model A3143-0.43
Measurement System Metric
Drill Bit Size 0.43 mm
Decimal Equivalent 0.0169
Maximum Drilling Depth 0.1180 in
Overall Length 25.00 mm
Shank Type Machining Straight
Finish Machining Bright (Uncoated)
Material Machining High Speed Steel
Primary Material Application Aluminum; Brass; Bronze; Cast Iron; Copper; Nickel; Steel; Titanium
UNSPSC 27112801
Country of Origin France (subject to change)
Cutting Direction Right Hand
Flute Length 3/32 in
Flute Type Spiral
Standards DIN 1899
Drill Bit Point Angle 118 °
Drill Bit Point Type 2 Facet Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 30 °
Depth Dia Ratio 5xD
Shank Dia 1.00 mm
Primary Material Application ISO Code K; N; P; S
Material Grade Machining High Performance
Shank Length 22.00 mm
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.000mm/-0.004mm
Secondary Material Application Composite; Graphite; Stainless Steel
Secondary Material Application ISO Code M; O
Number of Coolant Holes 2
Web Construction Split

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