CHICAGO-LATROBE Jobber Length Drill Bit: #20, 135° Split Point, TiN-Coated Cobalt
SKU 3G-OTH-200400
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Frequently Asked Questions
What is a CHICAGO-LATROBE Jobber Length Drill Bit #20 used for?
This TiN-coated cobalt drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. Its 135° split point reduces walking and improves hole accuracy in hard metals, making it suitable for precision drilling in aircraft-grade materials.
What are the specifications of the CHICAGO-LATROBE 54030 drill bit?
The CHICAGO-LATROBE 54030 is a #20 jobber length drill bit with a 0.1610 inch diameter, 135° split point, and TiN-coated cobalt construction. It meets NAS 907 Type J specifications for aerospace use, offering heat resistance and extended tool life.
Where to buy CHICAGO-LATROBE 54030 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 54030 drill bits to global customers. As a sourcing partner, we handle logistics, customs clearance, and delivery worldwide, ensuring you receive genuine NAS-spec tooling for aerospace operations.
How to select the right CHICAGO-LATROBE drill bit for aerospace?
Select based on material hardness and hole tolerance. For aerospace alloys, choose TiN-coated cobalt bits like the 54030 with a 135° split point to reduce thrust and prevent wandering. Verify NAS 907 compliance and match the drill diameter to your fastener or reamer size.
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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.













