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The Chicago-Latrobe 46616 550 NAS-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit is engineered for superior performance. This drill bit is manufactured to NAS 907 Type J geometry aerospace specifications, ensuring high precision and reliability.
The Chicago-Latrobe 46616 drill bit features heavy-duty construction, making it ideal for drilling in tough materials such as high-tensile and work-hardening materials. The straw finish improves lubricity and makes it easy to identify the cobalt drill bits. The 135-degree split point is self-centering, reducing thrust and allowing easier penetration.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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