CHICAGO-LATROBE Jobber Length Drill Bit: #40, 135° Split Point, TiN-Coated Cobalt
SKU 3G-OTH-200374
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Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #40 used for?
This TiN-coated cobalt drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. Its 135° split point reduces walking and improves hole accuracy in hard metals, making it suitable for precision drilling in aircraft maintenance and manufacturing.
What are the specifications of the CHICAGO-LATROBE 54075 drill bit?
The CHICAGO-LATROBE 54075 is a #40 jobber length drill bit with a 0.0980 inch diameter, 135° split point, and TiN-coated cobalt construction. It meets NAS 907 Type J specifications for aerospace use, offering wear resistance and extended tool life.
Where to buy CHICAGO-LATROBE NAS-spec drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE NAS 907 Type J drill bits like the 54075 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine aerospace-grade tooling regardless of your location.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit that meets NAS 907 Type J specs, like the CHICAGO-LATROBE 54075. The 135° split point and TiN coating improve performance on tough alloys. Match the diameter to your hole size and ensure the bit is cobalt-grade for heat resistance.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
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.















