PennEngineering® Threaded Standoffs for Stainless Sheets as Thin as .025” TSO4-440-437

TSO4-440-437 is a self-clinching standoff designed for installation into ultra-thin stainless steel sheets as thin as 0.025"/0.63 mm, with a .112-40 thread and a length of 0.437 inches. It features a heat-treated 400 series stainless steel construction, passivated and tested per ASTM A380, with a minimum hole size of 0.165 inches and minimum edge distance of 0.230 inches. The standoff is rated for use in materials with hardness HRB 88 or HB 183 or less, and achieves a pushout force of 6800 lbs (30.3 kN) and torque-out of 22 in-lbs (2.5 N·m) when installed in 0.025"/0.64 mm 300 series stainless steel. The unit is identified as Style #2, with a single groove for identification. Installation requires a specific anvil and punch set, with a B dimension range of 0.187 to 0.194 inches for this thread size.