CHICAGO-LATROBE Aircraft Extension Drill: #55, 12" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: #55 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11179, MPN 11179). It features a 0.0520-inch diameter, 12-inch overall length, 135° split point, and…
SKU 3G-OTH-207917
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: #55 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11179, MPN 11179). It features a 0.0520-inch diameter, 12-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 #55 used for?
This NAS 907 Type B drill is designed for aerospace and industrial applications requiring deep-hole drilling in tight spaces. Its 12-inch overall length and 135° split point reduce walking and improve chip evacuation in high-strength materials.
What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #55?
The CHICAGO-LATROBE 11179 is a #55 drill with a 0.0520-inch diameter, 12-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 the CHICAGO-LATROBE Aircraft Extension Drill #55 worldwide?
3G Electric supplies the CHICAGO-LATROBE 11179 worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your facility. Contact us for pricing and lead time on this NAS-spec drill.
How to select the right aircraft extension drill for deep-hole applications?
For deep-hole drilling, choose a drill with a split point (like the 135° on this CHICAGO-LATROBE #55) to reduce thrust and walking. Ensure overall length matches your depth requirement and that the drill conforms to applicable NAS standards for material and geometry.
Used in
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.
