#8-32 x 3/8" Slotted Drive Fillister Head Zinc Finish Steel Machine Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.219 INCHES MINIMUM AND 0.242 INCHES MAXIMUM FASTENER LENGTH: 0.219 INCHES MINIMUM AND 0.242 INCHES MAXIMUM HEAD STYLE: A33 FILLISTER HEAD DIAMETER: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM HEAD HEIGHT: 0.133 INCHES MINIMUM AND 0.156 INCHES MAXIMUM INTERNAL DRIVE STYLE: B10 SLOT END ITEM IDENTIFICATION: 3930015999978 NOMINAL THREAD DIAMETER: 0.164 INCHES THREAD QUANTITY PER INCH: 32 MINIMUM TENSILE STRENGTH: 60000 POUNDS PER SQUARE INCH PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW,MACHINE SCREW MATERIAL: STEEL SCREW SURFACE TREATMENT: ZINC SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE THREAD SERIES DESIGNATOR: UNC