CHICAGO-LATROBE Jobber Length Drill Bit: 3.1 mm, 135° Split Point
The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 47841) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, with a 3.1 mm diameter, 135° Split Point, and Straw/Bronze Cobalt finish. It is designed for…
SKU 3G-OTH-200150
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 47841) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, with a 3.1 mm diameter, 135° Split Point, and Straw/Bronze Cobalt finish. It is designed for precision drilling in demanding applications, with a key specification of 0.1221.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 47841 used for?
This NAS-Spec cobalt jobber-length drill bit is designed for aerospace applications, drilling hard materials like stainless steel and titanium. Its 135° split point reduces walking and requires less thrust, making it ideal for precision hole-making in aircraft manufacturing and maintenance.
What are the specifications of the CHICAGO-LATROBE 47841 drill bit?
The CHICAGO-LATROBE 47841 is a 3.1 mm jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. It meets NAS-Spec standards for aerospace use. The decimal equivalent is 0.1221 inches. The manufacturer part number is 47841.
Where to buy CHICAGO-LATROBE 47841 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 47841 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; we source and deliver this NAS-Spec cobalt bit to aerospace facilities globally.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a NAS-Spec cobalt bit like the CHICAGO-LATROBE 47841 with a 135° split point. This design reduces walking on curved surfaces and handles hard alloys. Match the 3.1 mm diameter to your hole size. Cobalt construction withstands high heat, extending tool life in demanding applications.
Used in
Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
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.















