Retaining Rings
Features
- Manufactured to Japanese JIS tolerance standards.
- Heat-treated to a fixed hardness, ready for direct application.
- Wide range of specifications available, with over 100–200 size options for both internal and external retaining rings.
ON-SHELF TYPE
RTW - Internal Retaining Ring |
Specifications: R6 to R300 |
STW - External Retaining Ring |
Specifications: S3 to S300 |
ETW - E-Type Retaining Ring | Specifications: E1.5 to E24 |
Materials
GRAMOS Die Casting Industrial Co., Ltd.

Retaining Rings
Manufacturing Range
GRAMOS Die Casting Industrial Co., Ltd.

Standard Parts & Customized Service.