Fastener Size1/4Fastener CheckedBACB30AY, BACB30LE, BACB30PN, BACB30USMeasuresBolt-Grip EndGage TypeH Style (1/2 H Gage)SpecificationBAC5009Half Or Full Gage OptionB Min Half OnlyComposite Or Non-CompositeNon-CompositePart Thickness Under NutOver .093