3/8"-16, Hex Head Cap Screw, 7 in Fastener Length, Grade 5 Steel, PK 10/ THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.250 INCHES MINIMUM FASTENER LENGTH: 7.000 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 NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: 16 MATERIAL: STEEL OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: UNC NONDEFINITIVE SPEC/STD DATA: II TYPE AND 10P STYLE