... QC system . advance three- coordinate inspection center and 20 Set 3 Axial and 4th Axial CNC equipmetn also ... 50 set lathe , 20 Set grinder allow we achieve complet crankcase,shaft , ... serise 3/8" 1/2" 3/4" 1" 1 1/4",1 1/2",2",3",4" Metric 4mm, 6mm, 8mm, 10mm, 12mm, 16mm,20 mmType : U MC ... metric thread avilableOEM/ODM Service is acceptableS 1/4 stainless steel fitting