CHICAGO-LATROBE Jobber Length Drill Bit: #58, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #58 is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a 135° split point and black oxide HSS finish, meeting NAS 907 Type B standards. With a…
SKU 3G-OTH-190194
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #58 is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a 135° split point and black oxide HSS finish, meeting NAS 907 Type B standards. With a diameter of 0.0420 inches (MPN 44728), it is designed for precision drilling in demanding 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 #58 drill bit used for?
This #58 jobber-length drill bit 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 used in aircraft assembly and maintenance.
What are the specifications of the CHICAGO-LATROBE 44728 drill bit?
The CHICAGO-LATROBE 44728 is a #58 jobber-length drill bit with a 0.0420-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 during use.
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 to source the 44728 or other NAS-spec bits for your aerospace operations.
How to select the right jobber-length drill bit for aerospace work?
For aerospace drilling, choose bits meeting NAS 907 Type B with a 135° split point to prevent wandering on curved surfaces. Match the diameter to your fastener or hole tolerance. Black oxide HSS offers good wear resistance in aluminum and titanium alloys common in aircraft structures.
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.
