DIN 931 Hexagon head bolts A4 200 pcs. 16 x 140 mm 200 pcs. 16 x 150 mm 200 pcs. 20 x 120 mm 200 pcs. 20 x 130 mm 150 pcs. 20 x 180 mm 100 pcs. 20 x 200 mm 100 pcs. 20 x 220 mm 60 pcs. 24 x 170 mm 90 pcs. 24 x 340 mm