Amazon.com: Hex Head Bolt M16 16mm x 2.0 x 40mm Long 10.9 Steel " 4 Bolts " M16-2.0x40 : Industrial & Scientific
25 pcs) M16-2.0 X 130mm, DIN 938, Metric, Studs, Double-Ended, Screw-in End 1.0 X Diameter, Class 5.8 Steel, Plain: Amazon.com: Industrial & Scientific