CHICAGO-LATROBE Jobber Length Drill Bit: #27, 135° Split Point, TiN-Coated Cobalt
The CHICAGO-LATROBE Jobber Length Drill Bit #27 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point (MPN 54037, attr1229327: 0.1440). Designed for aerospace applications, this NAS-spec bit…
SKU 3G-OTH-200099
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #27 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point (MPN 54037, attr1229327: 0.1440). Designed for aerospace applications, this NAS-spec bit delivers the precision and durability required for demanding industrial drilling tasks.
Frequently Asked Questions
What is the CHICAGO-LATROBE #27 jobber length drill bit used for?
This TiN-coated cobalt drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. It drills precise holes in hardened steels, stainless steels, and exotic alloys up to 850 °C, commonly used in aircraft frame and engine component manufacturing.
What are the specifications of the CHICAGO-LATROBE 54037 drill bit?
The CHICAGO-LATROBE 54037 is a #27 jobber length drill bit with a 0.1440 inch diameter, 135° split point, and TiN-coated cobalt construction. It meets NAS 907 Type J specifications for aerospace drilling, offering heat resistance and extended tool life in demanding materials.
Where to buy CHICAGO-LATROBE 54037 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 54037 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 aerospace-grade tool.
How to select the correct CHICAGO-LATROBE jobber length drill bit for aerospace work?
Select based on material hardness and hole tolerance. For aerospace alloys, choose TiN-coated cobalt bits like the CHICAGO-LATROBE 54037 with a 135° split point to reduce walking. Match the #27 size (0.1440 inch) to your print requirements and ensure NAS 907 Type J compliance for critical applications.
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.















