... '', Ø3'', Ø3.5'', Ø4'', Ø4.5'', Ø4.5'', Ø5'',Ø6'', Ø7'', Ø8''2. Length: within 10 meters3. Standard: ASTM 276, ASTM ... : -0/+50mm6. Surface: CNC turning, peeled, polished, centerless grinding, or black.7. Application: Propeller shaft, bolt, valva parts, machine-made industry8. Material ...