3/8"-16 x 2-1/2" Slotted Drive Round Head Grade 18-8 Stainless Steel Machine Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 2.500 INCHES NOMINAL FASTENER LENGTH: 2.500 INCHES NOMINAL HEAD STYLE: A28 ROUND HEAD DIAMETER: 0.670 INCHES MINIMUM AND 0.708 INCHES MAXIMUM HEAD HEIGHT: 0.237 INCHES MINIMUM AND 0.256 INCHES MAXIMUM INTERNAL DRIVE STYLE: B10 SLOT NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: 16 SCREW MATERIAL: STEEL COMP 302 THREAD SERIES DESIGNATOR: UNC