8I0IF108.400-3

Product Description:

The 8I0IF108.400-3 from B & R Automation is built for the 8I7 ACOPOS Inverters series, using high-grade alloy steel that’s been quenched and tempered for strength. The thread length of 108 mm and the nominal diameter of 8 mm help lock it in place where precise alignment matters. Threads are made to ISO Metric standards and cut with a 1.0 mm pitch. The 6g tolerance class gives a tighter fit, and the overall length is 400 mm. Everything’s machined clean and finished with a bright coating that’s more than just cosmetic.

Weighing just 0.43 kg, this inverter component is light enough for motion-heavy assemblies without making the balance a problem. The 950 MPa minimum tensile strength makes it tough enough to take regular stress without any warping. It holds up well in long-term installs, especially with the HRC 22–32 hardness range baked into the material. That range helps it survive sudden impacts without cracking. This type of steel works best where vibration happens a lot, or where rotation or torque gets rough.

Surfaces are coated for corrosion resistance, keeping the threads from seizing or wearing out in damp or chemical-heavy setups. Inverter systems that operate in places like washdown zones or exposed lines benefit from this kind of resistance. There's nothing loose or sloppy about the threading either — the fit is solid and doesn’t shift over time. It’s not oversized, not delicate either. Installs clean, it doesn’t wiggle, and works well in high-speed systems that need consistency. The 8I0IF108.400-3 might not look like much on its own, but paired with the right inverter hardware, it does its job without needing attention later. That’s what matters in most industrial installs where downtime costs more than the hardware itself.