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:Tin Alloy

*Size: 8*10*3cm

* Color: As the picture

*Optional specifications：

* File Ra0.8-6.3um

* Shot peening Ra0.2-100um

* Sand blasting Ra0.8-25um

* Polishing Ra0.012-0.8um

Package Content:

1  x Roughness comparison sample

Note:

1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

2. Please allow slight manual measurement deviation for the data.

Payment must be completed within 5 days. If you have any problems about payment, please contact us via message.

We only ship to confirmed Order addresses. Please comfirm that your Order address is in line with your shipping address.

Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. 

It takes about 7-15 working days to US; about 10-30 working days to other countries.  for TRANSIT time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.

We strive for 100% customer satisfaction! Positive is very important to us. If you have any questions, please feel to contact us via "Ask seller a question" . We will reply your email within 24 working hours.