CHICAGO-LATROBE Jobber Length Drill Bit: #16, 135° Split Point, TiAlN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #16 is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. With a…
SKU 3G-OTH-190245
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #16 is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. With a diameter of 0.1770 inches (MPN 42686), this bit is designed for precision drilling in demanding applications.
Frequently Asked Questions
What is the CHICAGO-LATROBE #16 jobber length drill bit used for?
This TiAlN-coated HSS drill bit is designed for aerospace applications per NAS 907 Type B. It drills precise holes in hardened steels, stainless steels, and titanium alloys. The 135° split point reduces walking and improves penetration, making it suitable for high-tolerance manufacturing and maintenance operations.
What are the specifications of the CHICAGO-LATROBE 42686 drill bit?
The CHICAGO-LATROBE 42686 is a #16 jobber length drill bit with a 0.1770 inch diameter. It features a 135° split point, TiAlN coating, and is made from high-speed steel conforming to NAS 907 Type B. This combination provides extended tool life and heat resistance in demanding aerospace materials.
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 facility. Contact our team for pricing and lead time on the 42686 or other NAS-spec tooling. We source and deliver to any country.
How to select the correct jobber length drill bit for aerospace work?
Select a drill bit that matches the material and hole tolerance required. For aerospace alloys, use HSS with TiAlN coating and a 135° split point to reduce thrust and improve chip evacuation. Verify the diameter (e.g., #16 = 0.1770 inch) and NAS specification (Type B) for compliance with industry standards.
Used in
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.















