... with two holes SGS audited More than 20 years experience in fastener field Name:metal stamping parts;hardware partsAbility for the material of ... this kind of stamping parts: Grade3.6,4.6,4.8,5.6,6.8,8. ... plating Light oil,spray coating,electrophoretic coating,etc Polishing Grinding and polishing,etc,except mirror finishAbility for the tolerance Roundess0. ...