CHICAGO-LATROBE Jobber Length Drill Bit: Letter J, 135° Split Point
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter J, MPN 47809) is a NAS-Spec Cobalt jobber-length drill bit for aerospace applications. It features a 135° split point and a Straw/Bronze Cobalt finish, with a…
SKU 3G-OTH-200214
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter J, MPN 47809) is a NAS-Spec Cobalt jobber-length drill bit for aerospace applications. It features a 135° split point and a Straw/Bronze Cobalt finish, with a diameter of 0.2770 inches. 3G Electric interprets your demand for specialized cutting tools, sourcing this genuine OEM bit across our 14 industrial departments, with specialist depth in combustion, pumps, and controls as a trust anchor.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 47809 used for?
This NAS-Spec cobalt jobber-length drill bit is designed for aerospace and high-strength alloy drilling. Its 135° split point reduces walking and thrust, making it suitable for precision hole-making in stainless steel, titanium, and other tough materials.
What are the specifications of the CHICAGO-LATROBE 47809 drill bit?
The CHICAGO-LATROBE 47809 is a Letter J jobber-length drill bit with a 0.2770-inch diameter, 135° split point, and straw/bronze cobalt finish. It meets NAS-Spec requirements for aerospace applications and is manufactured under part number 47809.
Where to buy CHICAGO-LATROBE 47809 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 47809 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the right CHICAGO-LATROBE cobalt drill bit for aerospace work?
For aerospace drilling, choose a NAS-Spec cobalt bit like the CHICAGO-LATROBE 47809 with a 135° split point. Match the diameter (0.2770 inch for Letter J) to your hole size. Cobalt material handles high heat and hard alloys, while the split point ensures accurate starts without a center punch.
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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.















