material :carbon steel ,stainless steel Standard:DIN ANSI Size:M6-M24 length:50-300mm Use cold formed technology ,both afford carbon steel and stainless steek material .Have through CE certification for Europe Country .Size : M6X40M8X50M10X601/4-20 X 1-3/4M6X45M8X55M10X651/4-20 X 2-1/4M6X50M8X60M10X701/4-20 X 3-1/4M6X55M8x65M10X755/16-18 X 2M6X60M8X70M10X805/16-18 X 2-1/8M6X65M8X75M10X905/16-18 X ...