CHICAGO-LATROBE Jobber Length Drill Bit: Letter S, 135° Split Point
SKU 3G-OTH-190262
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Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 42789 used for?
This TiAlN-coated HSS drill bit is designed for aerospace and high-precision machining applications. Its 135° split point reduces walking and thrust, making it suitable for drilling hard materials like stainless steel and titanium alloys.
What are the specifications of the CHICAGO-LATROBE 42789 drill bit?
The CHICAGO-LATROBE 42789 is a Letter S jobber length drill bit with a 0.3480 inch diameter, 135° split point, and TiAlN coating on high-speed steel. It meets NAS specs for aerospace use.
Where to buy CHICAGO-LATROBE 42789 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 42789 drill bits worldwide. We handle full logistics and customs clearance to deliver this NAS-spec aerospace drill bit to your facility, regardless of location.
How to select the right CHICAGO-LATROBE drill bit for aerospace materials?
For aerospace alloys, choose a TiAlN-coated HSS bit like the 42789 with a 135° split point to reduce walking. Match the diameter (0.3480 inch for Letter S) to your hole size and ensure the bit meets NAS specifications for critical applications.
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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.















