MYG
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The MYG 4-inch Non-woven Nylon Grinding Disc is a high-quality mini abrasive product independently developed by MYG. It is tailor-made for hand polishing machines and has the same core characteristics as premium non-woven abrasive materials. It breaks through the limitations of large polishing machines in narrow and complex working environments. With its excellent flexibility and wear resistance, it can achieve precise grinding and polishing on various workpiece surfaces. The product covers a wide range of customizable parameters, from size and hardness to color and cover material, fully meeting the diversified needs of different industries. It is a cost-effective tool for small-batch processing and precision component manufacturing.

The open non-woven structure effectively prevents abrasive particles from clogging, ensuring uniform force during grinding. It makes the workpiece surface smooth and consistent, and meets strict industry standards.
The disc is made of high-quality raw materials, featuring strong durability and not easy to wear. It reduces the frequency of tool replacement, lowers the overall processing cost, and improves production efficiency.
It supports a broader hardness customization range (4P–18P) compared to similar products. It also offers multiple color options and cover material choices, satisfying the personalized needs of different application scenarios.
Base Material: High-quality non-woven nylon fibers with good elasticity and toughness, which can fit the workpiece surface closely during grinding.
Abrasive Material: Precisely graded abrasive particles with strong cutting force, matching the special adhesive to ensure stable grinding performance.
Cover Material: Standard plastic cover (16mm inner diameter), customizable iron cover or glass fiber cover, with strong connection firmness and good stability.
Parameters | Values | Customization Range |
Outer Diameter | 4inch (100MM) | 7.5CM–17.5CM (3inch–7inch) |
Width | 12mm | 0.5CM–3CM (0.2inch–1.2inch) |
Inner Diameter & Materials | Plastic cap: 16mm | Iron cap/Glass fiber cap: 22mm; custom sizes/shapes supported |
Grit Size | 180# | 240#; other grit sizes on demand |
Density or Hardness | 7P | 5P/9P |
Color | Grey | Red/white; other custom colors |
Speed | 3000RPM | 3000RPM (fixed safe operating speed) |
It is suitable for grinding and deburring small hardware parts, kitchen knife edges, and stainless steel utensil surfaces, making the product edges smooth and burr-free.
It can be used for the surface treatment of small components in the marine industry, such as ship deck accessories and pipeline joints, which are difficult to process by large equipment.
It is applicable to the polishing of toy shells, craft decorations, and other products, helping to improve the surface smoothness and enhance the product's appearance grade.
The grinding disc is exclusively for hand polishing machines, and the operating speed must be controlled at 3000RPM to avoid disc damage or safety accidents.
Before use, check whether the grinding disc is cracked or deformed. Discard it immediately if there is any damage to ensure safe operation.
Select the appropriate grit size according to the processing needs. 180# is suitable for medium grinding, and 240# is suitable for fine polishing.
Avoid storing the grinding disc in a humid or high-temperature environment to prevent the base material from aging and affecting the service life.
The standard grit size is 180#, and we support customization of 240# and other grit sizes according to your processing requirements for different workpiece materials.
Yes, the iron cover has high strength and load-bearing capacity, which is especially suitable for heavy-duty grinding scenarios such as thick metal workpiece processing.
Low hardness (4P–5P) is suitable for soft materials like wood and plastic. High hardness (9P–18P) is suitable for hard materials like metal and stainless steel.
Are you in need of a versatile and customizable mini grinding disc for precision processing? The MYG 4-inch Non-woven Nylon Grinding Disc can meet all your needs! Whether you need standard specifications or customized solutions, our team can provide professional support. Click "Inquire" to consult detailed product information, or "Add to Basket" to purchase directly. We also offer sample testing services for bulk orders. Contact us now and experience high-efficiency and high-quality grinding results!