Socket head cap screw (DIN 912 (ISO 4762) BN7 black M4x12L 3000 Pcs. Socket head cap Screw (DIN 912 (ISO 4762) BN 7 black M4x16L 2000 Pcs. Hexagon Socket head cap Screw (BN8 black) Partially threaded M4x30L 2000 Pcs. Hex socket CSK screw DIN 7991 (ISO 10642) BN 20 black M3x8L 1000 Pcs. Hex socket CSK screw DIN7991(ISO 10642) BN 20 black M3x14L 1000 Pcs. Flat washers without chamfer (Stainless Steel A2 hardened class 140HV, DIN 433 BN 1414 M3/3.2/6/0.5 4000 Pcs.