CHICAGO-LATROBE Jobber Length Drill Bit: 2.9 mm, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (2.9 mm, MPN 45821) is a NAS-Spec High-Speed Steel drill bit for aerospace applications. It features a 135° split point and black oxide finish, with a specification value…
SKU 3G-OTH-190462
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (2.9 mm, MPN 45821) is a NAS-Spec High-Speed Steel drill bit for aerospace applications. It features a 135° split point and black oxide finish, with a specification value of 0.1142. 3G Electric interprets demand and sources this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the CHICAGO-LATROBE 45821 drill bit used for?
This CHICAGO-LATROBE jobber length drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 2.9 mm diameter and 135° split point reduce walking and cutting forces, making it suitable for precision hole drilling in high-strength alloys and sheet metal.
What are the specifications of the CHICAGO-LATROBE 45821 drill bit?
The CHICAGO-LATROBE 45821 is a 2.9 mm jobber length drill bit with a 135° split point, black oxide finish, and high-speed steel construction. It meets NAS 907 Type B standards and has a shank diameter of 0.1142 inches. The manufacturer part number is 45821.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the 45821 or other NAS-spec tooling for aerospace and precision machining.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit that meets NAS 907 Type B standards, like the CHICAGO-LATROBE 45821. The 135° split point aids self-centering and reduces thrust. Match diameter to hole tolerance requirements and ensure the black oxide coating suits the material being drilled.
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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.















