#10-32 x 1-1/2" Phillips Pan Head Zinc Finish Steel External Tooth Washer SEMS Machine Screw / FASTENER LENGTH: 1.50 INCHES NOMINAL HEAD STYLE: C33 PAN NO. 2 WASHER QUANTITY: 1 INTERNAL DRIVE STYLE: D2 CROSS RECESS TYPE II PRIMARY WASHER STYLE: G3 COUNTERSINK EXTERNAL TEETH PART NAME ASSIGNED BY CONTROLLING AGENCY: EXTERNAL TOOTH WASHER SEMS MACHINE SCREW MATERIAL: STEEL OVERALL