Drill America GLBCOX1218 #18 x 12" Cobalt Aircraft Extension Drill Bit - GLBCO Series
SKU: PGABL1790181
VENDOR: Drill America
You Save: $1.77 (11%)
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Drill America GLBCOX1218 #18 x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series
Drill America GLBCOX1218 #18 x 12" Cobalt Aircraft Extension Drill Bit - GLBCO Series
Drill America Cobalt Aircraft Extension Drills 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. Drill America Aircraft Extension Drills are manufactured to National Aerospace Standard 907. The 135° split point is self-centering and reduces thrust. Sizes smaller than 1/16 in. have the 118° standard point. Drill America Aircraft Extension Drills are available in 6 in. and 12 in. overall lengths when extra reach is required.
Key Features
- ✅ Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
- ✅ 135° split point tip prevents drill from walking
- ✅ Round shanks allow use with a wide variety of tool holding systems
- ✅ Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
- ✅ 12" overall length for drilling where extra length for reach is required
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Category: Power & Hand Tools
Subcategories: Power Tool Parts & Accessories, Power Drill Parts & Accessories, Drill Bits, Twist Drill Bits, Long Length Drill Bits
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