3/8"-16 x 2-1/4" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.000 INCHES NOMINAL FASTENER LENGTH: 2.250 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM WIDTH BETWEEN FLATS: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM END ITEM IDENTIFICATION: R20TMMASP-001 NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: 16 PART NAME ASSIGNED BY CONTROLLING AGENCY: GRADE 8 YELLOW ZINC FINISH HEX CAP SCREW COLOR: YELLOW OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: UNC