The TAPSET RH(S04) 4-40 GH1 from Field Tool Supply is a precision tap set designed for creating internal threads in materials. This set features a right-hand thread design and is ideal for use in various applications requiring 4-40 UNC threads. Made from high-speed steel (HSS), it ensures durability and longevity. The compact size allows for easy handling and storage, making it suitable for both professional and DIY projects. Each tap is engineered to meet industry standards, ensuring compatibility with a range of materials. Perfect for machinists and hobbyists alike.