The Hertel 1/4-20 UNC Thread Forming Tap is a precision machining tool engineered for creating clean, accurate internal threads. Constructed from high-quality high-speed steel with a titanium nitride finish, this tap delivers exceptional durability and resistance to wear during demanding applications. The plug chamfer design provides optimal thread formation in both through holes and blind holes with sufficient clearance. With a 1" thread length and 2-1/2" overall length, this tap offers versatility for various threading needs. The H4 thread limit ensures consistent and precise thread formation that meets industry standards. This professional-grade tap is ideal for maintenance technicians, machinists, and manufacturing operations requiring reliable threading tools. Hertel's precision engineering makes this tap an essential addition to any professional toolbox, delivering the performance and accuracy needed for industrial applications.