Photo 1 of Bykonh M4 x 20mm Flat Head Socket Cap Self Tapping Screws, Countersunk Wood Screws, 304 Stainless Steel 18-8, Allen Hex Drive, Black Finish, 50 PCS

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Photo 1 of Bykonh M4 x 20mm Flat Head Socket Cap Self Tapping Screws, Countersunk Wood Screws, 304 Stainless Steel 18-8, Allen Hex Drive, Black Finish, 50 PCSPhoto 2 of Bykonh M4 x 20mm Flat Head Socket Cap Self Tapping Screws, Countersunk Wood Screws, 304 Stainless Steel 18-8, Allen Hex Drive, Black Finish, 50 PCS