M4 M5 M6 M8 M10 M12 M16 M20 DIN912 304 Stainless Steel Lengthen Half Thread Tooth Hexagon Socket Cheese Head Screw Allen BoltHome Improvement > Hardware2,07 USD (≈ 1,85 €)2,30 USDDisponibileSold by AliExpress WWVai al negozio