M4-0.7 x 8mm Flanged Button Head Socket Cap Screws, Stainless Steel 18-8 (304), Bright Finish, Full Thread, Allen Socket Drive, Quantity 100 M4 x 8 mm (100 PCS) Size:M4 x 8 mm (100 PCS) The film of ball casters

The film of ball casters is very easy to clean and there will be no residue

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Also has good corrosion resistance and not easy to rust

Surell & Fountainhead

M4-0.7 x 8mm Flanged Button Head Socket Cap Screws, Stainless Steel 18-8 (304), Bright Finish, Full Thread, Allen Socket Drive, Quantity 100 M4 x 8 mm (100 PCS) Size:M4 x 8 mm (100 PCS) The film of ball castersM4 0. 7 x 8mm Flanged Button Head Socket Cap Screws, Stainless Steel 18 8 (304), Bright Finish, Full Thread, Allen Socket Drive, Quantity 100 Product Specification Button head screws have a low domed head with a wider bearing surface than standard heads, and they offer a finished appearance, making them an ideal choice when a neat appearance is desired. Thread Diameter 4 mm Pitch Size 0. 7 mm Screw Length 8 mm (Screw Length Do Not Include Head) Allen