Cut inventory waste and production down time while increasing efficiency and quality with AmeriFast Supply of NC, Inc. Build-A-Kit™. We help you streamline your fastening needs with our convenient kitting service. Build-A-Kit™ gives your production team pre-packaged fastener kits labeled for ready to use production assembly and installation kits for any industry. Every package is custom kitted and labeled per project leaving no room for error on your production floor.