CHICAGO-LATROBE Jobber Length Drill Bit: Letter J, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter J, MPN 45780) is an NAS-Spec High-Speed Steel drill bit for aerospace applications. It features a 135° split point and black oxide finish, with a diameter of 0.2770…
SKU 3G-OTH-190485
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter J, MPN 45780) is an NAS-Spec High-Speed Steel drill bit for aerospace applications. It features a 135° split point and black oxide finish, with a diameter of 0.2770 inches, meeting NAS 907 Type B standards.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 45780 used for?
This CHICAGO-LATROBE drill bit is designed for aerospace and precision industrial drilling. Its 135° split point reduces walking and thrust, making it ideal for hard metals and sheet materials. 3G Electric supplies this NAS 907 Type B bit globally, handling logistics and customs for worldwide delivery.
What are the specifications of the CHICAGO-LATROBE 45780 drill bit?
The CHICAGO-LATROBE 45780 is a Letter J jobber length drill bit with a 0.2770 inch diameter, 135° split point, and black oxide HSS finish. It meets NAS 907 Type B standards for aerospace applications. 3G Electric sources this genuine bit for global industrial customers.
Where to buy CHICAGO-LATROBE 45780 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 45780 drill bit to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international delivery. Contact us to order this NAS 907 Type B bit for your aerospace or precision machining needs.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit meeting NAS 907 Type B specs like the CHICAGO-LATROBE 45780. Its 135° split point and black oxide HSS suit hard alloys. Match diameter to hole size and use proper speeds/feeds. 3G Electric can help source the correct bit for your application.
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3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel 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.















