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One End Threaded Precision Linear Shaft - Thread Dia. Equal to Shaft Dia. 12mmX500mm 1pc

Excellent Material: Bearing steel with excellent wear resistance, equivalent to high hardness corrosion-resistant steel, shall be subject to high-frequency quenching treatment to improve wear resistance and maintain original toughness.
Various options: There are various options for you to use in different use environments.
Rust prevention: Hard chromium surface treatment is selected, which not only has excellent antirust performance, but also the hardness of the coating reaches hv750.
High Precision: With high-precision dimensional tolerance, it is widely used in various precision equipment. You can rest assured to use it.
Long service life: it has good linear guiding function. Even high-speed reciprocating motion will not have much wear.

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Detail

Basic Shape	One End Stepped
End Shape (Left)	Threaded
End Shape (Right)	No Machining
Shaft End Perpendicularity	Perpendicularity (0.03)
Material	[Steel] 52100 Bearing Steel Equivalent
Heat Treated	Induction Hardened
Surface Finish	None

-Linear Shafts: Support the workpiece, cooperate with the linear bearing to realize the guiding function.
-Linear Ball Bushings: Drive the workpiece to run on the guide shaft through the steel ball circulation structure.
-Shaft Supports: Support and fix the guide shaft, effectively adjust the wheelbase, and improve the stability of the equipment.
-Stopper Blocks: play a limiting role, used to adjust the effective stroke of the mechanism.

1. Why does the end face of guide shaft products plated with hard chromium rust?
When the guide shaft is made of raw materials, the surface treatment is carried out, and then the cutting processing is carried out. The surface treatment will not be carried out again. There is no hard chromium coating on the cutting surface, so the end face will rust.
2. When the guide shaft and linear bearing are used together, some of them are closely matched, but some clearances are relatively large. Does it affect the use?
The guide shaft and linear bearing are point contact rolling fit through the circulating steel ball structure. Due to the point contact and non interference fit, it is normal to have a gap between the shaft and the bearing and will not affect the use. The use of this structure greatly reduces the friction resistance and improves the service life of the workpiece.