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The EAGLE CUTTING TOOL C304-130-D is a size 30 cobalt jobber-length drill bit manufactured in the USA. Cobalt construction gives this bit superior heat resistance and hardness compared to standard high-speed steel, making it well suited for drilling through tough ferrous metals, stainless steel, and other hard materials encountered in trade applications. The jobber-length design provides a balanced combination of reach and rigidity for general-purpose drilling tasks. This bit is a working tool for machinists, pipefitters, HVAC technicians, and other trades who need reliable performance when drilling through structural or mechanical components.
The C304-130-D is appropriate for use in both hand-held drill motors and drill press setups across residential, commercial, and light industrial environments. It handles common trade drilling tasks such as creating pilot holes, clearance holes, and pass-through penetrations in ferrous base metals and alloys. Its size 30 designation makes it a standard fit for applications where precise hole sizing is required for fasteners or fittings.
Designed as a general-purpose cobalt jobber drill bit compatible with standard drill chucks accepting wire gauge size 30 shanks in corded or cordless drill motors and drill press equipment.
Secure the bit firmly in the chuck before operation and verify the chuck key is removed prior to powering the drill. Use appropriate cutting fluid or lubricant when drilling hard metals to extend bit life and reduce heat buildup. A licensed machinist or qualified tradesperson should select the correct feed rate and speed for the base material being drilled. Wear appropriate eye protection per OSHA and site safety requirements at all times during drilling operations.
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