N421 12mm x 300mm M6 Guide Shaft with Internal Thread on Press-In Side Mini and Standard Range
- Guide diameter dw is precision ground and lapped to ISO h3, Rz <1 µm.
- Roundness within 1/3 ISO-IT3.
- Straightness within 5 µm/100 mm.
- Ends are either rounded or have lead-in taper.
- Suitable for high-precision rotary stroke bearings.
- When used with MarMotion guide bushes and ball cages, preloading is ensured.
- Guide shaft with internal thread on press-in side.
- Hardened guide shaft with precisionground surface.