CHICAGO-LATROBE Jobber Length Drill Bit: 1/4", 135° Split Point, TiN-Coated Cobalt
The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 54058) is a 1/4" 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. 3G…
SKU 3G-OTH-199998
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 54058) is a 1/4" 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. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.
Frequently Asked Questions
What is the CHICAGO-LATROBE 54058 drill bit used for?
This jobber-length drill bit is designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking, while the TiN-coated cobalt construction handles tough materials like stainless steel and titanium. 3G Electric supplies this NAS 907 Type J bit for demanding applications.
What are the specifications of the CHICAGO-LATROBE 54058?
The CHICAGO-LATROBE 54058 is a 1/4" jobber-length drill bit with a 135° split point, TiN-coated cobalt construction, and meets NAS 907 Type J standards. The manufacturer part number is 54058. 3G Electric sources this bit for aerospace and industrial use.
Where to buy CHICAGO-LATROBE 54058 worldwide?
3G Electric supplies the CHICAGO-LATROBE 54058 drill bit worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NAS 907 Type J bit.
How to select the right jobber-length drill bit for aerospace?
For aerospace drilling, choose a bit with a 135° split point to prevent walking on curved surfaces. Cobalt construction with TiN coating handles heat and hard alloys. The CHICAGO-LATROBE 54058 meets NAS 907 Type J specs. 3G Electric can help match your application.
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.















