Best Price on DIN913 DIN914 DIN915 DIN916 DIN551 Set Screws for Hanover Factories
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Metric Size Socket Set Screws Thread Size: M1.4-M52 DIN913, DIN914, DIN915, DIN916 ISO4026, ISO4027, ISO4028, ISO4029 Various Drive and Point Types Various Surface Finishes Other Material Grades are available Please feel free to contact us for more details
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Best Price on DIN913 DIN914 DIN915 DIN916 DIN551 Set Screws for Hanover Factories Detail:
Metric Size Socket Set Screws
Thread Size: M1.4-M52
DIN913, DIN914, DIN915, DIN916
ISO4026, ISO4027, ISO4028, ISO4029
Various Drive and Point Types
Various Surface Finishes
Other Material Grades are available
Please feel free to contact us for more details
Product detail pictures:
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We show you how to galvanize metal objects to protect them rust.
First we get 30g of zinc sulfate and dissolve it into 100mL of water.
Zinc sulfate was made back in our video on making a copper sulfate and
zinc battery: https://www.youtube.com/watch?v=Id3tL2iI0Vw
Then connect the item you want to galvanize to the negative terminal of a 5 volt power supply. Connect the positive terminal to a strip of zinc metal.
Zinc metal was obtained from our video on getting useful materials from batteries: https://www.youtube.com/watch#%21v=knc1lSupAwQ
Immerse both electrodes into the zinc sulfate solution and keep them from touching. Then turn on the current and run it for about one minute to give the metal a zinc coating.
Remove the object and now it’s galvanized.
To test the rust protection, place it on top of a paper towel soaked in saltwater. You should also place an unprotected item next to it for a good comparison. Cover the towel to prevent evaporation and wait a day or two.
The treated object should remain rust-free, perhaps developing a white crusty coating. The untreated object should start to rust.
