5/16"-18 x 2-1/4" S/S FLAT HEAD SCREW FOR 8 POUND COMMERCIAL WEIGHTS (C004)
Two of the C004 screws, along with a WBBP weight belt backing plate and two C011 nuts, are used to secure an 8 pound commercial weight (C008) to the C001 (44"/111cm) or C002 (48"/122cm) commercial weight belt blank.