CHICAGO-LATROBE Jobber Length Drill Bit: #39, 135° Split Point, Straw/Bronze Cobalt
The CHICAGO-LATROBE Jobber Length Drill Bit #39 is a NAS-Spec Cobalt drill bit for aerospace applications, featuring a 135° split point and Straw/Bronze Cobalt finish per NAS 907 Type B. With a diameter of 0.0995…
SKU 3G-OTH-200258
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #39 is a NAS-Spec Cobalt drill bit for aerospace applications, featuring a 135° split point and Straw/Bronze Cobalt finish per NAS 907 Type B. With a diameter of 0.0995 inches (MPN 47773), it is designed for precision drilling in demanding materials.
Frequently Asked Questions
What is the CHICAGO-LATROBE #39 jobber length drill bit used for?
This CHICAGO-LATROBE #39 drill bit (MPN 47773) is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, making it suitable for drilling hard materials like stainless steel and titanium in aircraft maintenance and manufacturing.
What are the specifications of the CHICAGO-LATROBE 47773 drill bit?
The CHICAGO-LATROBE 47773 is a #39 jobber length drill bit with a 0.0995-inch diameter, 135° split point, and straw/bronze cobalt finish. It meets NAS 907 Type B specifications for aerospace use. The cobalt construction provides heat resistance for high-speed drilling in tough alloys.
Where to buy CHICAGO-LATROBE 47773 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 47773 drill bit worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NAS-spec aerospace drill bit.
How to select the right CHICAGO-LATROBE jobber length drill bit?
Select based on material and hole tolerance. For aerospace alloys, choose cobalt bits like the CHICAGO-LATROBE 47773 with a 135° split point to minimize wandering. Match the #39 size (0.0995 inch) to your fastener or reaming requirement. Always verify NAS 907 Type B compliance for critical applications.
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3G Electric supplies CHICAGO-LATROBE nas-spec cobalt jobber-length drill bits for aerospace. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















