SHOULDER SCREW, SHOULDER SCREW TYPE STANDARD SHOULDER SCREW, HEAD TYPE STANDARD, DRIVE TYPE SOCKET, MATERIAL STAINLESS STEEL, MATERIAL GRADE/CLASS 18-8, FINISH PLAIN, SYSTEM OF MEASUREMENT INCH, THREAD SIZE 5/16 IN.-18, MINIMUM THREAD LENGTH 1/2 IN, SHOULDER LENGTH 3 IN, SHOULDER LENGTH TOLERANCE +/-0.005 IN, SHOULDER DIAMETER 3/8 IN, SHOULDER DIAMETER TOLERANCE -0.002 IN TO -0.004 IN, PACK SIZE SMALL PACK, HEAD HEIGHT 1/4 IN, HEAD DIAMETER 9/16