#10-32 x 1/4" UNF 10.9 Alloy Steel Hex Socket Button Head Screws 20Pcs Product Name : Button Head Screws;Material : Alloy Steel;Color : Black Tensile Strength : 10.9;Head Type : Socket Button Head;Screw Standard : #10-32 x 1/4" Thread Dia. : #10;Thread Length : 1/4";Head Diameter : 9mm Head Height : 3mm;Hex KeySize : 3mm Weight : 30g;Package Content : 20xButton HeadScrews