CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 135° Split Point, TiN-Coated Cobalt
The CHICAGO-LATROBE Jobber Length Drill Bit (31/64", MPN 54074) is a NAS 907 Type J cobalt bit with a TiN coating and 135° split point, designed for aerospace applications. 3G Electric interprets this demand and…
SKU 3G-OTH-200356
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (31/64", MPN 54074) is a NAS 907 Type J cobalt bit with a TiN coating and 135° split point, designed for aerospace applications. 3G Electric interprets this demand and sources the exact OEM-specified tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution, not just a catalog listing.
Frequently Asked Questions
What is the CHICAGO-LATROBE 54074 drill bit used for?
The CHICAGO-LATROBE 54074 is a NAS 907 Type J jobber-length drill bit designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking, while the TiN-coated cobalt construction handles hardened steels and exotic alloys up to 850 °C. Ideal for maintenance, repair, and production environments requiring NAS-spec compliance.
What are the specifications of the CHICAGO-LATROBE 54074?
The CHICAGO-LATROBE 54074 is a 31/64" (0.4844 inch) jobber-length drill bit with a 135° split point, TiN-coated cobalt material, and NAS 907 Type J compliance. It is designed for aerospace applications and is manufactured under the CHICAGO-LATROBE brand. The manufacturer part number is 54074.
Where to buy CHICAGO-LATROBE 54074 worldwide?
3G Electric supplies the CHICAGO-LATROBE 54074 drill bit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to any country. Contact us for availability and lead time. We source and deliver this NAS-spec tool to your facility.
How to select the right CHICAGO-LATROBE drill bit for aerospace?
Select a CHICAGO-LATROBE drill bit like the 54074 based on material hardness, hole size, and NAS specification. For aerospace alloys, choose TiN-coated cobalt with a 135° split point to reduce thrust and improve chip evacuation. Verify the diameter (31/64") and jobber length match your application. 3G Electric can advise on proper selection.
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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.















