Features:
* For Rapid quality sampling of batch workpieces in industrial production, efficient screening of roughness defective products.
* Quickly judge the adaptability of parts in the absence of on-site installation and maintenance scenarios of for precision instruments.
* Unify standards for acceptance by both supply and demand parties to reduce disputes caused by detection differences.
* Help understand the state corresponding to different roughness parameters in teaching and training.
* Before spraying, electroplating and other processes, assist in judging whether the workpiece meets the pretreatment requirements.

Specifications:
*Part name: roughness comparison sample
* Material:steel
*Size: 8*6*3cm
* Color: As the picture
*Optional specifications：

* Lathe Ra0.8-6.3um wooden box 4pcs
* Vertical milling Ra0.8-6.3um wooden box 4pcs
* Flat milling Ra0.8-6.3um wooden box 4pcs
* Flat grinding Ra0.1-0.8um wooden box 4pcs
* External grinding Ra0.1-0.8um wooden box 4pcs
* Grinding Ra0.025-0.1um wooden box 3pcs
* Planer Ra0.8-6.3um wooden box 4pcs

Package Content:
1 x roughness comparison sample