KK 254 Reflow Process Compatible (RCP) Friction Lock HeadersThe KK 254 Reflow Process Compatible (RCP) Friction Lock Headers are designed to with stand +260° C temperatures and does not need the drying requirements of normal nylon. This range of KK 254 Reflow Process Compatible (RCP) Friction Lock Headers are Matte-tin over nickel plated which inhibits tin whiskering. A PCB thickness of 1.60 mm is recommended for these KK 254 Reflow Process Compatible (RCP) Friction Lock Headers.