1>Description; plastic parts
2>Material; Steel(1008, 1010, 1018, 1022, 10B21 etc. ) stainless steel (302,304,316,410 etc.) brass alumimum.3>Surface; Zinc(white, blue, yellow, black)darkening, chrome or nickel plated,plain+oil,phosphate,Dacromet etc.and ROHS.4> Size; M2 to M24 #6 to 1"5>Length: Up to 300mm6>OEM service:we can produce it according to your drawing or sample.7>Tolerance: DIN 7168-f