CHICAGO-LATROBE Jobber Length Drill Bit: 17/64", 135° Split Point, TiN-Coated Cobalt
The CHICAGO-LATROBE Jobber Length Drill Bit (17/64", MPN 54059) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiN-Coated Cobalt construction with a 135° Split Point per NAS 907 Type J. With…
SKU 3G-OTH-200322
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (17/64", MPN 54059) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiN-Coated Cobalt construction with a 135° Split Point per NAS 907 Type J. With a diameter of 0.2656 inches, this bit is designed for demanding aerospace applications, backed by 3G Electric's specialist sourcing and support across 14 industrial departments.
Frequently Asked Questions
What is the CHICAGO-LATROBE 54059 drill bit used for?
This TiN-coated cobalt jobber-length drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. It drills precise holes in hardened steels and superalloys up to 850 °C, commonly used in aircraft frame and engine component manufacturing.
What are the specifications of the CHICAGO-LATROBE 54059?
The CHICAGO-LATROBE 54059 is a 17/64" (0.2656 inch) jobber-length drill bit with a 135° split point, TiN-coated cobalt construction, and NAS 907 Type J specification. It is designed for high-speed drilling in aerospace-grade materials.
Where to buy CHICAGO-LATROBE 54059 worldwide?
3G Electric supplies the CHICAGO-LATROBE 54059 worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to any country. Contact us for availability and lead time.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
Select a drill bit that meets NAS 907 Type J for aerospace compliance. The 135° split point reduces walking on curved surfaces, and TiN coating extends tool life in high-temperature alloys. Match the diameter (17/64") to your hole tolerance requirements.
Used in
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.















