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Drill America 5/16" Cobalt Heavy Duty Drill Bit (Pack of 12), D/ACO Series

Name: Drill America 5/16" Cobalt Heavy Duty Drill Bit (Pack of 12), D/ACO Series
Brand: Drill America

D/ACO5/16P12

Jobber Drill Bits

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Description

Drill America jobber length drill bit. Manufactured to National Aerospace standard 907. Made of heat resistant cobalt, they display higher red hardness which permits speeds upto 30 percent greater than High-Speed Steel drills and are especially effective in drilling tough, high tensile strength materials like PH stainless steel, inconel, and titanium.

Key Features

Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys

Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools

Round shanks allow use with a wide variety of toolholding systems

When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging

Manufactured to National Aerospace standard 907

Product Specifications

Brand: Drill America
Model: D/ACO5/16P12
Size: 16 Inches
Format: DIY & Tools
Pack Size: 12 items
ASIN: B00FX6VKMS
Category: DIY & Tools > Power, Garden & Hand Tools > Power Tool Accessories > Drill Bits > Twist Bits > Jobber Drill Bits
Domain: Amazon UK
Release Date: 11 April 2025
Listed Since: 22 October 2013

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