The Hertel Spiral Flute Tap is a precision machining tool engineered for creating perfect 3/8-16 UNC threads. Featuring a specialized 3-flute design with spiral flutes, this tap efficiently evacuates chips during operation, preventing clogging and ensuring smooth cutting performance. Constructed from premium high-speed steel with a protective oxide finish, it delivers exceptional durability and heat resistance for demanding applications. The plug chamfer design and 3B class of fit provide optimal thread engagement and accuracy. With a 2-15/16" overall length, this right-hand tap offers excellent reach while maintaining rigidity during threading operations. Ideal for industrial manufacturing, maintenance shops, and precision machining applications where consistent threading quality is essential. The Hertel tap's professional-grade construction makes it a reliable choice for creating clean, precise threads in various materials.