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    Indianapolis, IN 46203
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#31 Cobalt Oxide/Gold Finish 135 Deg. Split Point HD Jobber Drill

  • Item Code: 058831
  • 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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Tech Specs

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Metric Size 3.05 mm
Specification Designation ANSI, NAS
Type Jobber Drill
Overall Length 2-3/4"
Shank Style Cylindrical shank
Shank Type Straight
Material Cobalt
Wire Size #31
Brand Precision Twist Drill
Flute Length 7/8"
Overall Length Metric 69.85 mm
Overall Length 2-3/4"
Specification Designation ANSI, NAS
Series R89CO
Point Angle 135 Split Point
Overall Length Inches 2.75"
Coating/Finish Bronze
Cutting Direction Right Hand
Series R89CO
Cutting Direction Right
Decimal Size 0.1200"
Point Angle 135 Deg.