CLEVELAND Aircraft Extension Drill: #40, 6" Overall Lg, 135° Split Point

The CLEVELAND Aircraft Extension Drill #40 is used for drilling precision holes in aerospace-grade materials, including aluminum alloys and composites. Its 6-inch overall length and 135° split point allow access to tight spaces and reduce walking on curved surfaces, making it ideal for aircraft assembly and maintenance.

The CLEVELAND Aircraft Extension Drill #40 (MPN C08144) has a 0.0980-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt finish. It conforms to NAS 907 Type J specifications and is made from cobalt steel for heat resistance and durability in aerospace applications.

You can source the CLEVELAND Aircraft Extension Drill #40 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this NAS-spec cobalt drill bit to aerospace and MRO facilities globally.

To select the right CLEVELAND Aircraft Extension Drill, match the drill diameter to the fastener or hole size required (e.g., #40 for 0.0980-inch holes). Ensure the drill conforms to NAS 907 Type J for aerospace standards. The 135° split point reduces thrust and prevents walking, while the cobalt finish provides heat resistance for extended tool life.