CLEVELAND Aircraft Extension Drill: 9/64", 12" Overall Lg, 135° Split Point
The CLEVELAND Aircraft Extension Drill: 9/64" is a NAS-Spec Cobalt Aircraft-Extension Drill Bit, model C08172. It features a 0.1406-inch diameter, 12" overall length, and a 135° split point with a straw/bronze cobalt…
SKU 3G-OTH-198835
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Product Description
The CLEVELAND Aircraft Extension Drill: 9/64" is a NAS-Spec Cobalt Aircraft-Extension Drill Bit, model C08172. It features a 0.1406-inch diameter, 12" overall length, and a 135° split point with a straw/bronze cobalt finish. This tool meets NAS 907 Type J specifications.
Frequently Asked Questions
What is the CLEVELAND Aircraft Extension Drill: 9/64" used for?
This CLEVELAND drill bit is designed for drilling in tight, hard-to-reach areas on aircraft structures. Its 12" overall length and 135° split point allow precise entry into metal alloys, composites, and stainless steel. It meets NAS 907 Type J specifications for aerospace maintenance and manufacturing applications.
What are the specifications of the CLEVELAND C08172 drill bit?
The CLEVELAND C08172 is a 9/64" (0.1406-inch) diameter cobalt aircraft-extension drill bit with a 12" overall length and a 135° split point. It features a straw/bronze cobalt finish and complies with NAS 907 Type J standards. The cobalt construction provides heat resistance and durability for demanding aerospace drilling tasks.
Where to buy CLEVELAND C08172 drill bits worldwide?
3G Electric supplies the CLEVELAND C08172 aircraft-extension drill bit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NAS-spec tool to support your aerospace operations.
How to select the right CLEVELAND aircraft extension drill bit?
Select based on hole diameter, material, and reach required. The CLEVELAND C08172 with 9/64" diameter and 12" length suits deep-access drilling in aerospace alloys. Its 135° split point reduces walking on curved surfaces. Always match the drill bit's NAS specification (here NAS 907 Type J) to your application's material and tolerance requirements.
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3G Electric supplies CLEVELAND nas-spec cobalt aircraft-extension drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















