●Material=Carbon spring steel. Hardess=HRC45~50. Finish=Black phosphate coaing (ACP)
●Material=Stainless spring steel
Nite; Max. D shall be checked by a "Go" ring gage. Min. D shall be the average of the D1, D2, and D3 diameter.
For orderingplease write nominal dia and length as well. Example: "SPP 4X20"
※marks are accordingto our company's specification.
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