CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #51 is a NAS-Spec High-Speed Steel drill bit for aerospace applications, featuring a 135° split point and black oxide finish. It meets NAS 907 Type B standards and has a…
SKU 3G-OTH-189923
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #51 is a NAS-Spec High-Speed Steel drill bit for aerospace applications, featuring a 135° split point and black oxide finish. It meets NAS 907 Type B standards and has a diameter of 0.0670 inches (MPN 45721).
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #51 used for?
This #51 drill bit is designed for precision hole drilling in aerospace applications, meeting NAS 907 Type B specifications. Its 135° split point reduces walking and requires less thrust, making it suitable for high-strength alloys and sheet metal work in aircraft manufacturing and maintenance.
What are the specifications of the CHICAGO-LATROBE 45721 drill bit?
The CHICAGO-LATROBE 45721 is a #51 jobber length drill bit with a 0.0670-inch diameter, 135° split point, and black oxide finish on high-speed steel. It conforms to NAS 907 Type B standards for aerospace drilling, offering durability and precise hole geometry in demanding materials.
Where to buy CHICAGO-LATROBE drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE drill bits worldwide, including the NAS 907 Type B #51 model. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other aerospace tooling.
How to select the right jobber length drill bit for aerospace work?
For aerospace drilling, choose a bit that meets NAS 907 Type B specs, like the CHICAGO-LATROBE #51 with a 135° split point. Match the diameter to your hole size, ensure the material (HSS with black oxide) suits the workpiece, and verify the point angle reduces walking on curved surfaces.
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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.
