LPS. Bossard Ltd. Brings Device for Fastening Connections for Plastics. LPS. Bossard Ltd. Is an ISO 9001:2000 standard company. LPS. Bossard Ltd. Is into the selling of all types of fastening elements. The Device for Fastening Connections for Plastics has been designed with an optimum geometry that helps the working of the plastic during the screwing process, and reduces the damaging generation of heat. The Device for Fastening Connections for Plastics features a 50 percent higher tensional and a smaller thread pitch and torsional strength.