CHICAGO-LATROBE Jobber Length Drill Bit: Letter K, 135° Split Point, TiN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter K, MPN 41781) is a NAS-spec high-speed steel drill bit for aerospace, featuring a TiN-coated HSS construction, 135° split point, and NAS 907 Type B compliance. With…
SKU 3G-OTH-189899
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter K, MPN 41781) is a NAS-spec high-speed steel drill bit for aerospace, featuring a TiN-coated HSS construction, 135° split point, and NAS 907 Type B compliance. With a diameter of 0.2810 inches, it is designed for precision drilling in demanding industrial applications.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 41781 used for?
This TiN-coated HSS drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, making it suitable for drilling hard metals like stainless steel and titanium in aircraft manufacturing and maintenance.
What are the specifications of the CHICAGO-LATROBE 41781 drill bit?
The CHICAGO-LATROBE 41781 is a Jobber Length Drill Bit with a Letter K size (0.2810 inch diameter), 135° split point, and TiN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace use, ensuring precision and durability in demanding drilling operations.
Where to buy CHICAGO-LATROBE 41781 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 41781 drill bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this aerospace-grade tool.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit meeting NAS 907 Type B, like the CHICAGO-LATROBE 41781. The TiN coating extends tool life in hard materials, while the 135° split point ensures accurate starts. Match the Letter K size (0.2810 inch) to your hole diameter requirements for optimal performance.
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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.















