precision shaft 12L14,4140 Alloy steel. stainless steel . C45 various precision shaft size 10mm to 2000 cm 1) stainless steel2) for ice cream maching3) 0.0005inch /H7 tolerance garde4) 303, 304, 316, 440C stainless steel can be choose5) Metric, inch size can be choose6) Producer under ISO9001 system SYP precision parts service base on TS16949 QC system . advance three- coordinate inspection ...