CLEVELAND Aircraft Extension Drill: #19, 12" Overall Lg, 135° Split Point
The CLEVELAND Aircraft Extension Drill: #19 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU 439D60, MPN C08177) with a 0.1660-inch diameter, 12-inch overall length, 135° split point, and a straw/bronze cobalt…
SKU 3G-OTH-198873
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Product Description
The CLEVELAND Aircraft Extension Drill: #19 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU 439D60, MPN C08177) with a 0.1660-inch diameter, 12-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 #19 used for?
The CLEVELAND Aircraft Extension Drill #19 is used for drilling precision holes in aerospace-grade materials, including aluminum alloys and composites. Its 12-inch overall length and 135° split point allow access to tight spaces and reduce walking on curved surfaces. The straw/bronze cobalt finish provides heat resistance and extended tool life in demanding aircraft maintenance and manufacturing applications.
What are the specifications of the CLEVELAND C08177 drill bit?
The CLEVELAND C08177 is a #19 NAS-Spec Cobalt Aircraft-Extension Drill Bit with a 0.1660-inch diameter, 12-inch overall length, and 135° split point. It features a straw/bronze cobalt finish and conforms to NAS 907 Type J specifications. The cobalt construction offers enhanced durability for drilling hard metals and composites in aerospace environments.
Where to buy CLEVELAND C08177 drill bits worldwide?
CLEVELAND C08177 drill bits are available to order through 3G Electric, a global industrial equipment distributor. We source and deliver this NAS 907 Type J cobalt aircraft-extension drill bit to worldwide locations, handling full logistics, customs clearance, and delivery. Contact 3G Electric for availability and lead time for your region.
How to select the right CLEVELAND aircraft extension drill bit?
To select the right CLEVELAND aircraft extension drill bit, match the wire size (#19) and diameter (0.1660 inches) to your fastener or hole requirement. Ensure the overall length (12 inches) suits your access depth. The 135° split point is ideal for curved surfaces and reduces walking. The straw/bronze cobalt finish is recommended for heat resistance in aerospace materials.
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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.















