CHICAGO-LATROBE Aircraft Extension Drill: #48, 6" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: #48 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406X52, MPN 11078). It features a 0.0760-inch diameter, 6-inch overall length, 135° split point, and…
SKU 3G-OTH-207931
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Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: #48 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406X52, MPN 11078). It features a 0.0760-inch diameter, 6-inch overall length, 135° split point, and black oxide HSS construction, conforming to NAS 907 Type B.
Frequently Asked Questions
What is the CHICAGO-LATROBE Aircraft Extension Drill #48 used for?
This drill is designed for aerospace and precision manufacturing applications requiring deep-hole drilling in tight spaces. Its 6-inch overall length and 135° split point reduce walking and improve chip evacuation in high-strength alloys.
What are the specifications of the CHICAGO-LATROBE 11078 drill?
The CHICAGO-LATROBE 11078 is a #48 aircraft extension drill with a 0.0760-inch diameter, 6-inch overall length, 135° split point, and black oxide HSS construction. It conforms to NAS 907 Type B for aerospace-grade drilling.
Where to buy CHICAGO-LATROBE aircraft extension drills worldwide?
3G Electric supplies CHICAGO-LATROBE aircraft extension drills worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this NAS 907 Type B drill to your facility.
How to select the right aircraft extension drill for deep-hole drilling?
Choose a drill with a split point like the 135° on this CHICAGO-LATROBE #48 to prevent walking. Match the diameter and overall length to your hole depth and material. Black oxide HSS provides lubricity and heat resistance for aerospace alloys.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel aircraft-extension drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















