Drill America D/ASTCO series cobalt steel screw machine length drill bit. Manufactured to National Aerospace Standard 907. 135 degrees split point is self-centering and reduces thrust. Ideal for portable or machine drilling. Short, rugged construction performs well in high tensile strength materials like PH stainless steel, inconel, and titanium.
Drill America – D/ASTCO1/4P12 1/4″ Cobalt Heavy Duty Split Point Stub Drill Bit (Pack of 12), D/ASTCO Series
$127.99
- 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
- Ideal for portable or machine drilling
In stock
Additional information
Weight | 0.151 kg |
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brand | Drill America |
dimensions | 15.24 x 10.16 x 5.08 cm; 151 Grams |