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438X37 Taper-Length Drill Bits

$40.67

Bulk orders will be discounted, please contact us.

These drill bits come in standard sizes expressed in fractional inches. The bits have a black-oxide finish that retains lubricants to improve the bits' wear resistance and chip flow. Black-oxide bits should only be used for drilling ferrous metals. High-speed steel drill bits provide more flexibility and absorb more shock and vibration than cobalt and carbide drill bits, making them suitable for use in manual drilling machines and handheld power tools. They may leave a rough finish on the hole. These bits have spiral flutes that evacuate chips as the bits drill into a workpiece.

Product Number: 438X37

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  • Description
Mfr Model 49543
Measurement System Fractional Inch
Drill Bit Size 43/64 in
Decimal Equivalent 0.6719
Maximum Drilling Depth 5-3/8 in
Overall Length 9-1/4 in
Shank Type Machining Straight
Finish Machining Black Oxide
Material Machining High Speed Steel
Primary Material Application Cast Iron; Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 5-3/8 in
Flute Type Spiral
Standards ANSI
Drill Bit Point Angle 118 °
Drill Bit Point Type Conventional Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 28°
Depth Dia Ratio 4xD
Shank Dia 43/64 in
Primary Material Application ISO Code K; P
Material Grade Machining General Purpose
Drill Length Class Taper Length
Sheeter Drill No
Drill Point Length 0.2019 in
Shank Length 3-7/8 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0012 in
Secondary Material Application Aluminum; Hardened Steel; Stainless Steel; Titanium
Secondary Material Application ISO Code H; M; N; S
Number of Coolant Holes 2

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