Category: Flat Washer DIN125A

DIN 125 A Flat Washers, without a chamfer, are thin disks with a concentric hole, widely used to distribute the load of a fastened joint or prevent loosening from vibration. Conforming to DIN 125A standard, these washers are utilized with bolts or nuts to provide a smooth surface for load distribution, commonly known as ‘plain washers.’

In vacuum applications, especially in sensitive sectors like semiconductors and optics, minimizing particulate generation is crucial. To address this, replacing a split lock washer with a Vented Flat Washer is a straightforward solution.

Both a vented flat washer and a split lock washer allow trapped air or gas along the threads to escape, eliminating the potential for virtual leaks. While a split lock washer may generate particulate due to its design, a vented flat washer is preferred for particulate-sensitive vacuum applications as it minimizes particle generation and reduces the risk of contamination.