Grommets are used to keep an eyelet hole in place and prevent its stretching, tearing or fraying and also from causing damage to the base material. Grommets are manufactured out of rubber, plastic, metal etc. and can be fitted into different fabrics, textiles, canvas, pipes, leather etc. They are fitted with a grommet tool by hand if on fabric, or simply fitted to the ends of pipes and hoses to protect the edge and provide durability to them. The sharp edges of pipes or threaded conduits can be fitted with a grommet to protect the pipes from collecting dust, dirt, moisture and rust. Grommets are also used when the conduits are used as outer covering for cables or wires, and these keep the wire or cable from breaking due to repeated bending. These grommets also protect wires from damage and abrasion when they pass through a metal surface or wooden desk top. They also provide protection from stress and strain to important electric cables and wires and give a neat look to work areas.

Generally, grommets made from tough yet flexible compounds like styrene butadiene can also withstand a wide range of temperatures from 200C to -50C and this makes them suitable to give adequate protection to all kinds of heat and cold bearing hoses, cables and tubes. They can also be fitted conveniently on to the ends of pipes and hoses manually. Butyl rubber grommets are excellent for use in several manufacturing industries, as they have very low permeability for gas and are highly resistant to ozone, acids and glycols and can also keep their shape and texture even when subjected to steam, dry heat and extreme cold. Materials like silicone, thermoplastics and other polyethylenes can also be used, in a variety of colors, textures and sizes.

Open or Cable type: These grommets provide protection to pipes or cables which need to pass through metal surfaces. They also provide anti-vibration features. When purchasing rubber grommets, it's important to purchase grommets with the correct panel-hole size so that they provide protection and a good fit.

Blank or Blind: Such grommets are useful to blank or plug holes in sheet metal panels or plates. Rubber grommets provide a smooth finish and since the material is more flexible, they provide a secure and tight fit.

Half-Blind: grommets have a membrane or section that can be opened or closed to convert them into open or blank grommets. Sealing off the membrane and then punching the right-sized hole for wires to pass through is a good option to get the correct fit.

Depending on your requirements, you can purchase rubber grommets from your local hardware store or on-line directly from the manufacturers. Some of them can also provide you with customized solutions.

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