SFU 2510-3 SHACSHAC SFU 2510 3 Standard Ball Nut, 25 mm, 10 mm Lead The SHAC SFU 2510 3 standard ball nut is a 25 mm diameter, 10 mm lead nut for medium speed CNC axes that need good load capacity with moderate feed rates. Its single nut construction provides efficient, smooth motion for a wide range of compact and medium industrial machines. SHAC is manufactured in China but built to a standard that competes with Taiwanese linear motion brands, giving a clear