CHICAGO-LATROBE Jobber Length Drill Bit: #28, 135° Split Point, TiAlN-Coated Cobalt
The CHICAGO-LATROBE Jobber Length Drill Bit #28 is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiAlN-Coated Cobalt construction with a 135° Split Point and NAS 907 Type J designation. With a…
SKU 3G-OTH-200098
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #28 is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiAlN-Coated Cobalt construction with a 135° Split Point and NAS 907 Type J designation. With a diameter of 0.1405 inches (MPN 44998), this bit is designed for precision drilling in demanding aerospace applications.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #28 used for?
This drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. Its 135° split point and TiAlN-coated cobalt construction enable precise drilling in hardened materials like titanium and stainless steel, common in aircraft manufacturing and maintenance.
What are the specifications of the CHICAGO-LATROBE 44998 drill bit?
The CHICAGO-LATROBE 44998 is a #28 jobber length drill bit with a 0.1405-inch diameter, 135° split point, and TiAlN-coated cobalt material. It meets NAS 907 Type J specifications, making it suitable for high-strength aerospace alloys.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this NAS-spec bit for your aerospace operations.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
Select based on material hardness and hole tolerance. For aerospace alloys, choose TiAlN-coated cobalt bits like the #28 with 135° split point to reduce walking and heat. Verify NAS 907 Type J compliance for critical applications. 3G Electric can advise on sizing.
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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.















