metal shaft tubular flexible shaft 1.Standard: ASTM, AISI, BS, DIN, JIS, NF 2. ... tube, seamless steel tube, shaft with continuous keywayProduct Name: propeller metal shaftMaterials: grey iron, ductile iron, malleable iron,heat resistant iron ... micrometer, OD micrometer, multiple use angle mearuring tool, CMM etc. metal shaft tubular flexible shaft