Washers

Custom Retaining Ring

A Custom Retaining Ring is manufactured to your specific dimensions. This retaining ring has a custom inner diameter from 5 mm to 200 mm. The ring has a custom cross-section that matches your groove

External Tab Washer

An External Tab Washer has a locking tab that extends outward from the washer. This tab washer has a 16 mm nominal size with a 1.0 mm thickness. The washer has a 4 mm wide external tab that folds 90

Thick Flat Washer

A Thick Flat Washer has a 4.0 mm thickness for high load applications. This flat washer has a 20 mm inner diameter and a 45 mm outer diameter. The washer has a 2.5 mm edge thickness that resists

Countersunk Flat Washer

A Countersunk Flat Washer has a 90-degree counterbore that matches countersunk screws. This flat washer has a 6 mm inner diameter and a 18 mm outer diameter. The washer has a 1.6 mm thickness with a

Single Coil Spring Washer

A Single Coil Spring Washer has exactly one complete 360-degree turn. This spring washer has a 14 mm nominal size with a 2.0 mm material thickness. The washer has a 1.5 mm gap at the split point.

Serrated Spring Washer

A Serrated Spring Washer has teeth on its inner or outer edge. This spring washer has a 10 mm nominal size with a 1.5 mm material thickness. The washer has 6 teeth that bite into the bearing surface.

Split Spring Washer

A Split Spring Washer has a single cut that creates a spring action. This split washer has a 8 mm nominal size with a 1.2 mm material thickness. The washer has a 1.0 mm opening gap at the split.

Shaft Retaining Rings

We make our Shaft Retaining Rings from 65MN high carbon spring steel. We also offer 304 and 316 stainless steel for wet or coastal areas. The 65MN steel has a hardness of HRC 44-51. It meets the ISO

High Tensile Spring Washer

We take an M10 size as an example. We press the washer flat. It still gives at least 150 N of recovery force. We also did a transverse vibration test. It follows the ISO 16130 standard. The residual

Precision Flat Washers

We take an M10 flat washer as an example. Its outer diameter is φ20 mm. The pressure area goes up by 2.5 times compared to the nut bearing surface. This means your aluminum or plastic parts will not

National Disc Spring

We take a φ16×φ8.2×2mm size as an example. You press it flat. The load reaches at least 2500 N. This is much higher than a regular spring washer of the same size. Our hardness is HRC 44-49. The

Non-standard Gaskets

We follow the ASTM B117 standard for neutral salt spray tests. Our gaskets last 720 hours with no red rust. This meets marine equipment needs. The minimum thickness is 0.3 mm. The maximum outer