CLEVELAND Aircraft Extension Drill: #31, 6" Overall Lg, 135° Split Point, HSS
The CLEVELAND Aircraft Extension Drill: #31 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 407G04, MPN C13153). It features a 0.1200-inch diameter, 6-inch overall length, and a 135° split point…
SKU 3G-OTH-207976
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Product Description
The CLEVELAND Aircraft Extension Drill: #31 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 407G04, MPN C13153). It features a 0.1200-inch diameter, 6-inch overall length, and a 135° split point, meeting NAS 907 Type B specifications.
Frequently Asked Questions
What is the CLEVELAND Aircraft Extension Drill #31 used for?
The CLEVELAND Aircraft Extension Drill #31 is used for precision drilling in aerospace and aircraft assembly applications. Its 6-inch overall length and 135° split point allow access to tight spaces, while the NAS 907 Type B specification ensures compliance with military and aerospace standards.
What are the specifications of the CLEVELAND C13153 drill bit?
The CLEVELAND C13153 is a high-speed steel aircraft extension drill with a #31 diameter (0.1200 inches), 6-inch overall length, and 135° split point. It meets NAS 907 Type B specifications and is designed for drilling in hard-to-reach areas on aircraft structures.
Where to buy CLEVELAND aircraft extension drills worldwide?
3G Electric supplies CLEVELAND aircraft extension drills like the C13153 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this NAS 907 Type B drill bit.
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 C13153, the #31 diameter (0.1200 inches) suits small fastener holes, while the 6-inch length reaches recessed areas. The 135° split point reduces walking on curved surfaces.
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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.










