c40 c45 SRB Đánh Răng h9 Bức Tường Bên Trong Đánh Bóng Ống Thép Cacbon Liền Mạch Cho Ống Khí Áp
Video Description
Discover the C40 C45 SRB Honed H9 Inner Wall Polishing Seamless Carbon Steel Tube, designed for air pressure pipes. This high-quality tube features precision honing for superior surface roughness (Ra0.4) and strict tolerances (H9). Ideal for hydraulic systems and pneumatic control valves.