Washer din 125 m3 De Dietrich 7774174

A washer conforming to DIN 125 with an M3 inner diameter is an essential hardware item for boiler and burner spare parts. It distributes load evenly under a screw or nut, preventing damage to surfaces and ensuring a tight, vibration-resistant connection. Ideal for use in heating equipment components, this small but critical part helps maintain the integrity of assemblies during boiler maintenance and repair.