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Retaining Rings　　RTW｜STW｜IRTW｜ISTW｜ETW｜BETW｜CTW｜UTW｜GTW
Song Chyuan Industrial, Taiwan

STW

Part name：external retaining ring
Material：carbon steel、stainless steel
Hardness：HRC44~52
Finish：black oxide or phosphate coating (ACP)
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