Product Specification
Product Diameter: 5mm-60mm
Thread: M3~M16
Material: stainless steel 
Surface treatment: bright polished
Characteristics: corrosion-resistant, high hardness corrosion-resistant, high hardness, environmental protection, beautiful appearance
Application areas: can be used for decorations, teaching experiments, mechanical accessories, hardware accessories, DIY beads bracelets, etc.
Package Included According to your choice.
This ball is a threaded hole drilled in a solid stainless steel ball. The holes are half threaded blind holes and the threads are metric coarse threads with a diameter tolerance of approximately ±0.1mm.(Threads not all the way through) 
Non-magnetic
Application Areas
 1.Can be used for decorations, teaching experiments, mechanical accessories, hardware accessories, DIY bead bracelets and so on
Recommended methods for testing stainless steel materials
1. spectrometer test (more professional)
2. Stainless steel potion testing, drop the testing liquid on the surface of the material to observe the colour change;
3. clean the steel ball with water, store it in the open air and observe the surface change (iron ball, carbon steel ball, bearing steel ball start to rust the next day after cleaning, 304 stainless steel material will not change)

Packaging includes
As per your choice

Delivery details
We will only accept your Ebay address, please ensure this is 100% correct.
Your order will be dispatched via airmail within 3 working days of successful payment.

Terms of Sale
If you are not satisfied with your item, please contact us.
We will provide you with a full refund upon receipt of your returned item.
Please feel free to contact us if you have any questions.

About Us
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If you have any problem or dissatisfaction with the product, please feel free to contact us, we will reply you within 24 hours.

Contact Us
We care about our valued buyers, if you have any questions, our customer service staff will be more than happy to help you. We will do our best to respond to your email as soon as possible, but due to the high volume of emails we receive each day and the time difference, we may not be able to respond to your email immediately. Please allow up to 24 business hours for us to respond.
ABOUT ITEMS: For functional items in our store, we make sure that they function as described, but due to technological improvements and production differences, the actual colors and shapes may be slightly different from the pictures. Please be aware of this before bidding.