CHICAGO-LATROBE Jobber Length Drill Bit: #13, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #13 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-190270
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #13 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 0.1850 inches (MPN 45683), it is designed for precision drilling in demanding applications.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit #13 used for?
This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and drilling force, making it suitable for precision hole drilling in high-strength materials. The black oxide HSS construction provides wear resistance and chip evacuation.
What are the specifications of the CHICAGO-LATROBE 45683 drill bit?
The CHICAGO-LATROBE 45683 is a #13 jobber length drill bit with a 0.1850 inch diameter, 135° split point, and black oxide high-speed steel finish. It meets NAS 907 Type B standards for aerospace drilling. The split point geometry enables self-centering and reduces thrust requirements.
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 location. Contact us for pricing and lead time on the 45683 NAS-spec drill bit. We source and deliver to meet aerospace procurement needs.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
Select based on material hardness and hole tolerance. For aerospace alloys, choose a 135° split point bit like the CHICAGO-LATROBE 45683 to minimize walking. Verify NAS 907 Type B compliance for critical applications. Match diameter to your fastener or reamer size. Consult 3G Electric for application guidance.
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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.















