Buy Chicago Latrobe 550 Cobalt Steel Jobber Length Drill Bit, Gold Oxide Coated, Round Shank, 135 Degree Split Point, Wire Size #30 (Pack of 12)

The Chicago-Latrobe 550 series jobber length drill bit is made from cobalt steel with a gold oxide finish and has a 135-degree split point for use in general-purpose drilling applications on ferrous materials. Cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool’s toughness and hardness in high drilling temperatures, and the gold oxide finish acts as a lubricant and provides wear resistance. A self-centering 135-degree split point penetrates hard material without a pilot hole, and produces smaller chips that reduce clogging compared to a 118-degree point. Compared to standard drill bits, these tools have a thicker web for increased strength and rigidity. A jobber length drill bit has a versatile midrange drilling depth and is a common choice for general-purpose applications. The round shank accommodates most drill chucks. Drill bits are cutting tools used to make holes in a range of materials using machines such as handheld portable d

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Chicago Latrobe 550 Cobalt Steel Jobber Features :

• Jobber length drill bit has a midrange drilling depth for general-purpose applications
• Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
• Gold oxide finish lubricates and provides wear resistance on ferrous materials
• Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
• Extra thick web provides increased strength and rigidity compared to standard drill bits

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