hardened steel rod

20 माइक्रोन - 30 माइक्रोन पिस्टन Honed ट्यूब, दूरबीन सिलेंडर ट्यूब

20 micron - 30 micron Piston Honed Tube , Telescopic Cylinder Tube Detailed Product Description Telescopic Cylinder Tube and Piston Tube Our precision seamless tubes are suitable for the manufacture of pistons, telescopic cylinder. We can supply hard chrome plating for the telescopic cylinder tube as well, and the technical delivery conditions refer to the next page. A comparison of tubular piston rods versus solid piston rods of the same diameter based on identical