PennEngineering® Threaded Standoffs for Stainless Sheets as Thin as .025” TSO4-6440-375

TSO4-6440-375 is a self-clinching standoff designed for installation into ultra-thin stainless steel sheets as thin as 0.025 in. (0.63 mm). It features a #4-40 internal thread, a length of 0.375 in. (9.5 mm), and an oversized body for increased bearing surface and wall thickness. The part uses a single groove identifier and is made of heat-treated 400 series stainless steel with a passivated finish per ASTM A380. It is compatible with sheets having a hardness of HRB 88 or HB 183 or less. Installation requires a mounting hole of 0.250 in. (6.4 mm) diameter and a minimum edge distance of 0.27 in. (6.9 mm).