The products in this series incorporate lubricating agent, so they can be used without oiling. The Shaft is manufactured from SUS304 or SUS303 (stainless steel), which gives excellent corrosion resistance. Wide range of combination of Shaft dia. and Lead are available. MRH material is standard in stock, but Nut material can be changed to order based on the environment. Selecting backlash free type, Axial play can be zero.
Standard products in stock MRH-A,B series：KSS products A Polyamide type Resin with good sliding properties is employed in the standard MRH Nut material. And because a lubricating agent is incorporated in the material, it can be used without oiling. Additionally, other Nut materials are available as options. 
Customized products MRH-BP2 series：KSS products A Polyamide type Resin with good sliding properties is employed. Backlash free construction made possible with Double Nuts and a Spring in between. 
Customized products R-MSS（Y）series：NTN Engineering plastics Corp. products Corresponding to a wide range of environment and having corrosion resistance, heat resistance. High lead types（3 times as dia.）are available.
