Rod Bellows Cover Dust Proof Rod Bellows Cover, Round Rod Cover, OEM Rod Bellows Cover Supplier The main feature of our round rod cover: 1. water-proof, oil-proof, dust-proof, special material fire-proof 2. normal material -nylon cloth, special material-sillicone cloth 3. steel connecting plate 4. OEM, according to your drawing PLS give me these datum of the bellows cover shown as below,unit:mm, Lmax Length after extension L1 Connecting neck hegiht Lmin Length after compression L2 Connecting neck hegiht d End connecting connecting plate PVC or steel D Outside diameter of the cover material nylon cloth(-15~80°) or special material D1 inside diameter of the cover shape round The round threaded rod bellows cover can prevent the screw, shaft and bar from dust contamination and can move along with the machine tool's components such as strenching or contraction. Another type according bellows cover can prevent the slideway from being polluted by dust and scrap, bearing temperature from -20°~500°.Also, stainless steel material is also available, welcome email us for more details~