... ",1/2",3/8",5/16",7/16" 1. supply all thread standard grease nozzle and grease fittings 2. mild steel(iron ... ), stainless steel, brass materials available3. DIN, SAE, METRIC, BSPT,NPT thread standard4. 30degree, 45degree, 67.5deg, 90deg, 180deg angle5. popular size ...