The TAP-CB SP M 4X0.70 D4 BLUE from Field Tool Supply is a specialized tap designed for M4 x 0.70 threading. This tap is crafted from high-quality materials, ensuring exceptional durability and performance. The D4 designation indicates its specific design for precision applications, making it suitable for various metal and plastic materials. The blue finish not only adds a visual appeal but also provides resistance against corrosion. Perfect for both industrial and hobbyist use, this tap delivers reliable threading results every time.