5/32in x 6in Cobalt Aircraft Extension Drill Bit 10pc

• 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
• 6" overall length for drilling where extra length for reach is required