X-FCM Grating fastener disc Grating fastener disc for use with threaded studs in non-corrosive environments
X-FCM-R Grating fastener disc (stainless) Grating fastener disc for use with threaded studs in highly corrosive environments
X-FCP-F Checker plate fastener (coated) Checker plate fastener disc for threaded studs in mildly corrosive environments
X-FCP-R Checker plate fastener (stainless) Checker plate fastener disc for threaded studs in highly corrosive environments