Products Compression Spring Extension Spring Torsion Spring Special Spring Fixture parts For Greenhouse Retaining Rings Flat Spring RSS Product Message Subscribe Newsletters Send Home Products Retaining Rings Retaining Rings Retaining Rings Product Introduction Retaining Rings (Internal) Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Retaining Rings (External) Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Inverted Retaining Rings (Internal) Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Inverted Retaining Rings (External) Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Bowed E-Rings Material : Spring Steel / Stainless Steel Hardness : HRC 40 ~ 50 Crescent Rings Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Grip Type Retaining Rings Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Disc Spring Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 U-Type Rings Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Klip Rings Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Self-locking Rings (External) Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Circular External Rings Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Spring Pins (For general use) Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 SNAP-PIN (R PIN) Material : SW-50C ~ 70C Hardness : HRC40 ~ 50 Wave Washers (For general use) Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Wave Washers (For bearing use) Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Spring pin (light duty) Material : Spring Steel / Stainless Steel Toothed lock washer internal Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Toothed lock washer External Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Toothed lock washer ext’l-int’l Material : Spring Steel / Stainless Steel Hardness : HRC40 ~ 50 Spring Flat Rings Material : Spring Steel / Stainless Steel Special Toothed lock washer internal Material : Spring Steel Back