CLEVELAND Aircraft Extension Drill: #15, 6" Overall Lg, 135° Split Point
The CLEVELAND Aircraft Extension Drill: #15 is a NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU 439D37, MPN C08154) with a 0.1800-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt…
SKU 3G-OTH-198877
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Product Description
The CLEVELAND Aircraft Extension Drill: #15 is a NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU 439D37, MPN C08154) with a 0.1800-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt finish. It conforms to NAS 907 Type J specifications.
Frequently Asked Questions
What is the CLEVELAND Aircraft Extension Drill #15 used for?
The CLEVELAND Aircraft Extension Drill #15 is used for drilling precision holes in aerospace-grade materials such as aluminum alloys and composites. Its 6-inch overall length and 135° split point allow access to tight spaces, while the cobalt construction provides heat resistance for extended tool life in demanding aircraft assembly and maintenance applications.
What are the specifications of the CLEVELAND C08154 drill bit?
The CLEVELAND C08154 is a #15 aircraft extension drill bit with a 0.1800-inch diameter, 6-inch overall length, and 135° split point. It features a straw/bronze cobalt finish and conforms to NAS 907 Type J specifications. The cobalt material ensures durability when drilling hard metals in aerospace environments.
Where to buy CLEVELAND aircraft extension drills worldwide?
You can source the CLEVELAND C08154 aircraft extension drill worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we supply genuine CLEVELAND tooling to aerospace and manufacturing customers internationally.
How to select the right CLEVELAND aircraft extension drill?
Select the CLEVELAND aircraft extension drill based on hole size, material thickness, and access constraints. For the #15 drill (0.1800-inch diameter), use it for precision holes in aerospace alloys. The 135° split point reduces walking on curved surfaces. Always match the drill to NAS 907 Type J specs for compliance with aerospace standards.
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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.











