#10-32 x 1-1/2" Slotted Drive Round Head Zinc Finish Steel Machine Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 1.500 INCHES NOMINAL HEAD STYLE: A28 ROUND INTERNAL DRIVE STYLE: B10 SLOT NOMINAL THREAD DIAMETER: 0.190 INCHES THREAD QUANTITY PER INCH: 32 PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW MACHINE SCREW MATERIAL: STEEL SCREW SURFACE TREATMENT: ZINC SPECIAL FEATURES: MACHINE THREADS ARE USED IN A PRE-TAPPED HOLE WITH A NUT THREAD SERIES DESIGNATOR: UNF