Curved Disc:
Curved Disc used in this product are all meticulously crafted from high-quality zirconia abrasive. Among them, the fan-shaped grinding disc applied to angle grinders features a unique radial structure design. With this design, the grinding disc can precisely carry out grinding operations on angle weld seams and repair areas. It is worth noting that this grinding disc performs exceptionally well in terms of strength, durability, and service life. This is due to its ability to effectively withstand high temperatures and high pressures, ensuring stable and reliable operation even in complex working conditions.
The product features a dual-sided design with both flat edge and corner edge. The flat edge grinding disc and the right-angle grinding disc can be used flexibly. The specially designed curved fan-shaped grinding disc has an R angle with excellent adaptability. It can perform high-quality grinding operations on both flat and curved surfaces, and can also achieve precise and efficient grinding for special areas such as weld seams, which are difficult to grind.
Key Advantages:
1) Outstanding grinding performance: This product uses high-quality abrasives and is manufactured with advanced production techniques. Among them, the circular grinding wheel design is scientifically and rationally structured, capable of continuously and stably delivering grinding effects. It can quickly and effectively remove the surface layer of the material, greatly improving work efficiency and meeting various high-precision and high-efficiency grinding requirements.
2)Durability and wear resistance:The grinding wheel is designed with unique features, adopting a special edge structure. This structure significantly enhances the wear resistance and durability of the grinding wheel, effectively reducing the frequency of replacement due to wear, lowering the usage cost, and improving the overall operational efficiency of the equipment.
3)High safety: The product's structural design fully considers safety factors and adopts a sturdy and reliable structural design scheme. This design fundamentally reduces the risk of the grinding wheel breaking during operation, providing reliable safety protection for operators, ensuring their safety and comfort during work, and effectively reducing the probability of accidents.
Application fields:The curved disc equipped with this product has wide applicability to various materials, including metals, alloys and ceramics. Due to its excellent performance, it has been widely and deeply applied in numerous high-end fields such as mechanical manufacturing, automotive industry, aerospace and others, and can meet the strict requirements of different industries for high-precision and high-quality grinding operations.
Available Dia.: 4" 100x16mm, 4.5"115x22mm, 5"125x22mm
Available Type: T27(Flat)
Availabel Abrasive Grain:
A/O: Alumimun Oxide
Aluminum Oxide grain which has high efficiency grinding performance. Cotton cloth base synchronous consumption fast, does not burn the workpiece.Glassfiber backing and plastic backing available.
With efficient grinding and polishing effect, the product is windly applied in the metal, stainless steel, wood, etc
C/O: Ceramic Oxide
With high quality ceramic grinding grain, which can quickly and efficiently finish the surface treatment of the workpiece. It has excellent effect for polishing the stainless steel.Glassfiber backing and plastic backing available.
Z/A: Zirconia Alumia
For grinding the stainless steel workpiece, the zirconia grain with outstanding effect and high efficiency. In addition to stainless steel, it is also used for the metals.Glassfiber backing available.
Size Information:
Item |
Outer Dia. |
Hole Dia. |
Backing Dia. |
Max R.P.M. |
Abrasive Grain |
Grit Range |
4" |
100mm |
16mm |
75/88/90mm |
15200 |
Alumina Oxide Zirconia Oxide Ceramic Oxide |
P40-P120 |
4.5" |
115mm |
22mm |
105mm |
13300 |
5" |
125mm |
22mm |
115mm |
12200 |
Grit Information:
Grit |
Spec. |
Applications |
Suggested Progress |
P24-P40 |
Super Coarse |
For the removal and leveling of ultra-coarse surface defects |
Deld points, Weld seams, Weld scars |
P60-P80 |
Coarse |
For removal and leveling of moderate surface imperfections |
Derusting, Deburring |
P100-P240 |
Medium |
For cleaning, smoothing and removing on general surfaces |
Grinding, Cleaning |
P320-P400 |
Fine |
For cleaning, polishing and removing on general surfaces |
Cleaning, Polishing |



Installation Instructions
Zhengzhou Kingdragon Abrasives Co ., Ltd. is a subsidiary of Pingdingshan Yalida Abrasives Co. Ltd., specializing in abrasive product manufacturing and import&export business. The factory is located in Pingdingshan (Henan province) with 30,000 square meters of modern standardized workshops. More than 90 skilled workers, semi - automatic and automatic production lines can produce 50 million pieces of various discs per year. The products of the company adopt high quality raw materials, strict quality control, and the quality of products to reach the export standard. Products have been exported to North America, Europe, Southeast Asia and Central and South America. "First-class quality, first-class service" is our commitment and attitude. We warmly welcome customers from all walks of life to visit and inspect, we hope to create a better future with customers at domestic and abroad!

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