Drill America #4 x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series - size: #4, style: 12" Length
$18.94
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Drill America #4 x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series - size: #4, style: 12" Length
$18.94
About this item
- 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
Overview
- Material: Cobalt
- Cutting Diameter: #4 inches
- Finish Type: Gold
- Shank Type: Round
- Cutting Angle String: 135 degrees