CHICAGO-LATROBE Jobber Length Drill Bit: #39, 135° Split Point, TiAlN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (#39) is a NAS-Spec High-Speed Steel drill bit for aerospace applications, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. With a…
SKU 3G-OTH-190025
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (#39) is a NAS-Spec High-Speed Steel drill bit for aerospace applications, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. With a diameter of 0.0995 inches (MPN 42709), this tool is designed for precision drilling in demanding industrial environments.
Frequently Asked Questions
What is the CHICAGO-LATROBE #39 jobber length drill bit used for?
This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking on curved surfaces, while the TiAlN coating extends tool life in high-temperature alloys. It is suitable for precision hole drilling in aircraft-grade materials.
What are the specifications of the CHICAGO-LATROBE 42709 drill bit?
The CHICAGO-LATROBE 42709 is a #39 jobber length drill bit with a 0.0995-inch diameter, 135° split point, and TiAlN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace drilling. The split point geometry reduces thrust and improves hole accuracy.
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 us for availability and lead times on the 42709 and other NAS-spec tooling.
How to select the correct jobber length drill bit for aerospace work?
Select a bit that meets NAS 907 Type B or equivalent specs, with a split point for precision and coating for heat resistance. Match the diameter to your hole tolerance. For high-strength alloys, TiAlN-coated HSS like the CHICAGO-LATROBE 42709 provides extended tool life.
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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.
