Custom Shaped Screw Bellows | Telescopic Shaft Protection Cover CNC Machine

1.Flexible telescopic bellows structure, free expansion and contraction.
2.Effectively protect lead screw, linear shaft and transmission parts.
3.Dustproof, oil-proof, anti-cutting fluid and metal chips.
4.High elasticity, tear resistance and aging resistance.
5.Resist high temperature splash and industrial pollution.
6.Lightweight and flexible, no obstacle to equipment operation.
7.Various materials optional: Nylon, PVC, PU, cloth with rubber.
8.Custom inner diameter, outer diameter, stretched & compressed length.
9.Easy installation, low maintenance and long service life.


Telescopic lead screw bellows cover is a flexible and retractable protective component, widely used for CNC machine tools, automation equipment, measuring instruments and mechanical transmission parts.
It is specially designed to protect lead screws, optical shafts, guide rails and piston rods. The foldable telescopic structure can stretch and compress freely following the movement of the machine, without affecting normal equipment travel.
Made of high-quality flexible materials, this bellows cover features excellent tear resistance, wear resistance and corrosion resistance. It can effectively isolate dust, fine metal chips, cutting oil, coolant and high-temperature spatter, preventing precision parts from abrasion and rust.
Good softness and bending performance ensure smooth operation even in limited and complex installation space. Closed folding design provides great sealing performance for long-term industrial working conditions.
Multiple material options and customized sizes are available to meet different working environments, including high temperature, oil pollution and heavy dust workshops. Simple installation and cost-effective performance make it an essential accessory for mechanical equipment protection.