Aircraft Extension Twist Drill 1/4 Inch NAS907
NAS907 specification extension-length HSS twist drill, 1/4-inch diameter, for deep-hole drilling in aircraft aluminum alloys and titanium components. Extra length allows access to recessed holes in assemblies, classified as metal-cutting twist drill under HTS 8207.50.4030.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cobalt or carbide for aerospace hardening materials
Material upgrades like cobalt move out of basic HSS twist drill subheading.
If imported as fitted parts of specific CNC machines
Toolholder-integrated drills classify as machine parts in Chapter 84.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include NAS907 certs and traceability docs for FAA/DOD compliance
• Declare as 'aircraft quality' but confirm HTS via binding ruling if unsure
• Watch for ITAR restrictions on military-spec tools
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