3/8-16 x 1-1/2" Grade 8 Shaker Screen Bolt Plain Finish / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.00 INCHES NOMINAL FASTENER LENGTH: 1.46 INCHES MINIMUM AND 1.52 INCHES MAXIMUM HEAD STYLE: C30 BUTTON HEAD DIAMETER: 0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM HEAD HEIGHT: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM END ITEM IDENTIFICATION: 015331853 NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: 16 SPECIAL FEATURES: NUMEROUS OEMS. TOO MANY TO KNOW WHICH ONE IS BEING SOLD AT A TIME MATERIAL: STEEL OVERALL THREAD SERIES DESIGNATOR: UNC