DIN 580 ringschrauben, Stahl M 8 500 pcs M10 1,000 pcs M12 1,000 pcs M16 1,000 pcs M20 500 pcs M24 1,000 pcs M30 300 pcs M36 300 pcs M42 50 pcs M48 50 pcs M56 20 pcs