The STI Tap RH M 4.0 X 0.70 D1 P from Field Tool Supply is a right-hand thread tap designed for M4 threading applications. This tap features a diameter of 4.0 mm and a pitch of 0.70 mm, making it perfect for creating internal threads in a variety of materials. The D1 designation indicates its optimized design for effective chip removal and reduced friction during use. Constructed from high-speed steel, this tap ensures durability and long-lasting performance. It is ideal for use in automotive, machinery, and general engineering applications, meeting industry standards for quality.