Würth Elektronik SMST SMD Steel Spacers feature an outside diameter of 4.35mm, 5.1mm, or 6mm. These spacers are designed for distances from 1mm to 16mm in the assembly of PCBs to housing and to other PCBs. They utilize steel material with a tin-plated surface and instantly removable polyimide tape. Würth Elektronik SMST SMD Steel Spacers deliver strong holding forces and torques as well as a fast and precise process. The SMST series has an operating temperature range of -55°C to +150°C.