CLEVELAND Aircraft Extension Drill: #12, 12" Overall Lg, 135° Split Point, HSS
The CLEVELAND Aircraft Extension Drill: #12 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, model C13228. It features a 0.1890-inch diameter, 12-inch overall length, and a 135° split point, conforming…
SKU 3G-OTH-208032
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Product Description
The CLEVELAND Aircraft Extension Drill: #12 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, model C13228. It features a 0.1890-inch diameter, 12-inch overall length, and a 135° split point, conforming to NAS 907 Type B. This HSS drill bit is designed for industrial aircraft extension drilling applications.
Frequently Asked Questions
What is the CLEVELAND Aircraft Extension Drill #12 used for?
The CLEVELAND Aircraft Extension Drill #12 is used for drilling precision holes in aircraft structures and components. Its 12-inch overall length and 135° split point allow access to tight spaces, while the NAS 907 Type B specification ensures compliance with aerospace standards.
What are the specifications of the CLEVELAND C13228 drill bit?
The CLEVELAND C13228 is a #12 aircraft extension drill bit with a 0.1890-inch diameter, 12-inch overall length, and 135° split point. It is made of high-speed steel (HSS) and conforms to NAS 907 Type B, making it suitable for demanding aerospace drilling tasks.
Where to buy CLEVELAND aircraft extension drills worldwide?
3G Electric supplies CLEVELAND aircraft extension drills worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to source the C13228 or other NAS-spec drill bits for your aerospace operations.
How to select the right CLEVELAND aircraft extension drill?
Select a CLEVELAND aircraft extension drill based on hole size, material, and access requirements. For the C13228, the #12 size (0.1890-inch) and 12-inch length suit deep or confined drilling. The 135° split point reduces walking on curved surfaces, common in aerospace work.
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3G Electric supplies CLEVELAND 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.















