CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, Black Oxide HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #49 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…
SKU 3G-OTH-190424
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #49 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 0.0730-inch diameter, this bit is designed for precision drilling in aerospace applications.
Frequently Asked Questions
What is the CHICAGO-LATROBE #49 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 and drilling force, making it suitable for precision hole-making in high-strength alloys and sheet metal used in aircraft assembly and maintenance.
What are the specifications of the CHICAGO-LATROBE 45719 drill bit?
The CHICAGO-LATROBE 45719 is a #49 jobber length drill bit with a 0.0730-inch diameter, 135° split point, and black oxide finish on high-speed steel. It meets NAS 907 Type B standards for aerospace drilling. The black oxide coating improves lubricity and corrosion resistance.
Where to buy CHICAGO-LATROBE 45719 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 45719 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 time; we source and deliver this NAS-spec bit to aerospace and manufacturing customers globally.
How to select the correct CHICAGO-LATROBE jobber drill bit for aerospace work?
Select based on hole size, material, and specification. For NAS 907 Type B compliance, choose bits like the #49 (0.0730 in) with 135° split point and black oxide HSS. Ensure the bit matches the required diameter and coating for the alloy being drilled. CHICAGO-LATROBE offers these for precision aerospace applications.
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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.















