M20 - 2.5 DIN7991 Black 10.9 Class Alloy Steel Hex Socket Countersunk Head Screw S$ 11.39 to S$ 199.72
M16 - 2mm DIN7991 Black 10.9 Class Alloy Steel Hex Socket Countersunk Head Screw S$ 5.22 to S$ 106.12