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50AT79 Reduced-Shank Drill Bits

$26.02

Bulk orders will be discounted, please contact us.

High-speed steel drill bits provide more flexibility and absorb more shock and vibration than cobalt 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: 50AT79

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  • Description
Mfr Model C21077
Measurement System Metric
Drill Bit Size 16.50 mm
Decimal Equivalent 0.6496
Maximum Drilling Depth 2-19/32 in
Overall Length 152.40 mm
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 3-1/8 in
Flute Type Spiral
Standards Not Rated
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 12.70 mm
Primary Material Application ISO Code K; P
Material Grade Machining General Purpose
Shank Length 57.15 mm
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0012 in
Secondary Material Application Non Ferrous Material
Secondary Material Application ISO Code M
Web Construction The Web Joins the Lands, Which Are the Outer Portion of the Drill Body Between Two Adjacent Flutes

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