CHICAGO-LATROBE Jobber Length Drill Bit: Letter K, 135° Split Point, TiCN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter K, MPN 43781) is a NAS-spec high-speed steel drill bit for aerospace, featuring a TiCN coating and a 135° split point. With a diameter of 0.2810 inches, it meets…
SKU 3G-OTH-190538
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter K, MPN 43781) is a NAS-spec high-speed steel drill bit for aerospace, featuring a TiCN coating and a 135° split point. With a diameter of 0.2810 inches, it meets NAS 907 Type B requirements. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 43781 used for?
This TiCN-coated HSS drill bit is designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking and thrust, making it ideal for tough materials like stainless steel and titanium alloys.
What are the specifications of the CHICAGO-LATROBE 43781 drill bit?
The CHICAGO-LATROBE 43781 is a Letter K jobber length drill bit with a 0.2810 inch diameter, 135° split point, and TiCN-coated HSS. It meets NAS 907 Type B standards for aerospace applications.
Where to buy CHICAGO-LATROBE 43781 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 43781 drill bits worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you get genuine NAS-spec tooling for aerospace and industrial use.
How to select the right jobber length drill bit for aerospace materials?
For aerospace materials like titanium or stainless steel, choose a TiCN-coated HSS bit with a 135° split point, such as the CHICAGO-LATROBE 43781. The coating reduces heat and wear, while the split point improves hole accuracy without a center punch.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
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.















