CHICAGO-LATROBE Aircraft Extension Drill: #21, 12" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: #21 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11145, MPN 11145). It features a 0.1590-inch diameter, 12-inch overall length, 135° split point, and…
SKU 3G-OTH-208005
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: #21 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11145, MPN 11145). It features a 0.1590-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 #21 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 11145 drill?
The CHICAGO-LATROBE 11145 is a #21 aircraft extension drill with a 0.1590-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 CHICAGO-LATROBE aircraft extension drills worldwide?
3G Electric supplies and delivers CHICAGO-LATROBE aircraft extension drills worldwide. We handle full logistics and customs clearance, ensuring you receive genuine NAS-spec tooling like the 11145 for your aerospace or industrial operations.
How to select the right aircraft extension drill for deep-hole drilling?
Choose a drill with a 135° split point to reduce thrust and walking on curved surfaces. Ensure overall length matches your access depth. The CHICAGO-LATROBE #21 with 12-inch length and NAS 907 Type B compliance is a proven choice for aerospace maintenance.
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.
