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    Indianapolis, IN 46203
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#51 Cobalt Oxide/Gold Finish 135 Deg. Split Point Heavy-Duty Jobber Drill

  • Item Code: 058851
  • Brand: Precision Twist Drill
  • Unit Size: 1

Description

Manufactured to NAS907 type D standard, R89CO drills are made from High Speed cobalt for drilling hard materials such as tool steel. They have a bronze oxide finish to stop workpiece material from sticking to the cutting edges of the tool for cleaner, more accurate holes and a 135 degree split point to help with self-centering and reduce the amount of force needed to drill into the workpiece. Available in wire gauge sizes from 52 to 3, R89CO are heavy duty drills, recommended for difficult materials and applications.

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Features

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    • Low thrust design self centering Split Point for easier penetration
    • Shorter Flute Lengths
    • Cobalt base material with Bronze Oxide for wear resistance and lubricity

Tech Specs

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Shank Type Straight
Overall Length 2"
Material Cobalt
Coating/Finish Bronze
Cutting Direction Right
Point Angle 135 Deg.
Series R89CO
Point Angle 135 Split Point
Brand Precision Twist Drill
Specification Designation ANSI, NAS
Wire Size #51
Flute Length 1/2"
Type Jobber Drill
Specification Designation ANSI, NAS
Metric Size 1.70 mm
Cutting Direction Right Hand
Series R89CO
Type Jobber Drill
Shank Style Cylindrical shank
Decimal Size 0.0670"
Overall Length Inches 2"
Overall Length Metric 50.8 mm