CHICAGO-LATROBE Jobber Length Drill Bit: #39, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #39 is a NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, featuring a 135° split point and black oxide HSS construction per NAS 907 Type B. With a diameter…
SKU 3G-OTH-189941
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #39 is a NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, featuring a 135° split point and black oxide HSS construction per NAS 907 Type B. With a diameter of 0.0995 inches (MPN 45709), this bit is designed for precision drilling in demanding aerospace applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CHICAGO-LATROBE #39 drill bit used for?
This CHICAGO-LATROBE Jobber Length Drill Bit (#39, MPN 45709) is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, making it suitable for drilling precise holes in high-strength alloys and sheet metal.
What are the specifications of the CHICAGO-LATROBE 45709 drill bit?
The CHICAGO-LATROBE 45709 is a #39 jobber length drill bit with a 0.0995 inch diameter, 135° split point, and black oxide HSS construction. It meets NAS 907 Type B standards for aerospace drilling. The black oxide finish improves lubricity and corrosion resistance.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits like the #39 (45709) worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead times.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit that meets NAS 907 Type B specs, like the CHICAGO-LATROBE #39 (45709). The 135° split point aids self-centering in hard materials. Match the diameter (0.0995 in) to your hole tolerance and use appropriate speeds/feeds for HSS.
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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.















