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4ZP38 Reduced-Shank Drill Bits

$45.45

Bulk orders will be discounted, please contact us.

Cobalt drill bits tolerate higher drilling speeds and are harder and more wear-resistant than high-speed steel drill bits. Also known as Silver and Deming drill bits, these reduced-shank drill bits have a 1/2" shank and a drill diameter that is greater than 1/2". They can create larger holes than standard drill bits that have a 1/2" shank.

Product Number: 4ZP38

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  • Description
Mfr Model 53437
Measurement System Fractional Inch
Drill Bit Size 37/64 in
Decimal Equivalent 0.5781
Maximum Drilling Depth 2-1/2 in
Overall Length 6 in
Shank Type Machining Straight
Finish Machining Straw/Bronze
Material Machining Cobalt
Primary Material Application Cast Iron; Steel
UNSPSC 23171609
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 3-1/8 in
Flute Type Spiral
Standards Not Rated
Drill Bit Point Angle 118 °
Drill Bit Point Type Split Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 28°
Depth Dia Ratio 4xD
Shank Dia 1/2 in
Primary Material Application ISO Code K; P
Material Grade Machining M42
Shank Length 2-1/4 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0012 in
Secondary Material Application Non Ferrous Metals
Secondary Material Application ISO Code K; N
Web Construction The Web Joins the Lands, Which Are the Outer Portion of the Drill Body Between Two Adjacent Flutes

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