Hexagon head screws DIN 4017 (ex DIN 933) A4 M 14 x 100 2000 Pcs. Hexagon head screws DIN 4017 (ex DIN 933) A4 M 20 x 90 4000 Pcs. Hexagon socket countersunk head screws (DIN 10642 ex 7991) A2 M 6 x 80 3000 Pcs. Socket set screws with cone point (DIN 4027 ex 914) A2 M 5 x 8 8000 Pcs.