平和発條 List of Products and Services

Our company handles "retaining rings" that are fitted into grooves on shafts or holes, or directly inserted into shafts to perform positioning, secure components, and prevent them from coming loose. Since we process all stages from materials to surface treatment in-house, we can quickly provide products tailored to a wide range of applications. Please feel free to contact us if you have any requests. 【Materials Used】 ■Standard Retaining Rings: SWRH57–82, S60C–S70C, SUS304 ■Special Retaining Rings: SWRH57–82, SK85, SUS304 *For more details, please download the PDF or contact us.

• Metal bearings
• Other metal materials

We handle "disc springs" that can evenly support the axial force of bolts on the seating surface due to their axisymmetric shape, preventing bending moments from acting on the bolts. We offer disc springs of Type 1 and Type 2 in accordance with JIS standards (JIS B 1251:2001), as well as our original SDW (for general bolts) and CDW (for hexagon socket bolts). 【Materials Used】 ■ S50C to S70C ■ SUP10 ■ SUS304 *For more details, please download the PDF or contact us.

• Other metal materials

We offer the "MDS Disc Spring," which is classified into 34 types based on the inner guide shaft diameter ranging from 3mm to 125mm. For these 34 types, we have standardized a total of 136 sizes by setting two variations for the outer diameter and plate thickness. Additionally, if you require disc springs with special spring characteristics, we can design and manufacture them according to your specifications. 【Features】 ■Materials used: S60C to S70C, SK85, SUP10 ■Hardness: 42 to 48 HRC ■Surface treatment - MDS20 and below: Barrel polishing - MDS22 and above: Shot peening *MDS22-1 and MDS22-3 will be barrel polished. ■Rust prevention treatment - MDS20 and below: Black oxide - MDS22 and above: Rust prevention oil *For more details, please download the PDF or contact us.

• Spring