The Du-Bro DUB361 Tap and Drill Set includes a matched 4-40 tap and the correct drill bit for tapping 4-40 threads in RC aircraft hardware, control horns, and linkage components. An essential tool for any RC builder working with 4-40 threaded hardware. Key Features Matched 4-40 tap and drill bit set for accurate thread cutting Correct drill size included for proper 4-40 thread preparation Essential for tapping control horns, servo mounts, and RC hardware Durable tool steel construction for long-lasting use Compact set ideal for field and workbench use Compatibility For use with 4-40 threaded hardware standard in RC aircraft construction Suitable for balsa, plywood, plastic, and light aluminum RC components Specifications SKU DUB361 Thread Size 4-40 Includes 4-40 tap and matching drill bit Type Tap and Drill Set
