CE V S PHG 250 0910 Cop yright 2010 b y Wur th 12 0206 ST AN D A RD FL ANGE NUT S Gr ade G Black phosphate blue passiv ated w ax av ailable F or use with Pr e x 063 and 064 F r ame Bolts Grade 8 UNF Phos oil P Qty Grade 8 UNC Phos oil P Qty 12 32112 50 31912 25 58 32158 50 31958 50 Dimensions 12 58 W AF s 34 1516 Flange Diameter b 1070 1330 Thickness h 0555 0690 e s