Material: steel GRADE 10.9. plain M10-1.5 x 50MM Hexalobular socket head screws ISO 14579 500 PCS and 1,000 PCS M8-1.25 X 50MM Hexalobular socket head screws ISO 14579 1,200 PCS AND 2,400 PCS M10-1.5 X 20 Hexalobular socket head screws ISO 14579 1,200 PCS AND 2,400 PCS M16-2 X 100MM CLASS 10.9 Hexagon head screws with flange JDS123 1,200 PCS AND 2,400 PCS M8-1.25 X 16MM GRADE 4.8 Pan head screws with torx ISO 14583 2,500 PCS AND 5,000 PCS M4.2X16 MM Pan head self tapping screws ISO 14585 1,200 PCS AND 2,400 PCS