Depressed Centre Grinding Disc 125X6X22.2mm compare testing

- Apr 26, 2017-

Products Information 
  • Grinding Disc Type .: 125x6x22.2mm (  5x1/4x7/8 inch )  T27 Depressed Center Grinding Disc 

  • Fiberglass net : four nets according with European Standard 

  • Package: Color Carton Box 

  • Trademark :  OEM Brand name according customer's need 

  • Origin: Henan Province , China 

  • Material: White Alumina 

  • Working Style: Surface Grinding

  • HS Code: 68042210

  • Application : Metal steel, tool steels, high-alloy stainless steels, heat-treated steels ,grey cast iron , malleable cast iron , cast steel , ductile graphite iron , manganese cast iron material and so on 

  • Main Advantage of the OEM Depressed Center Grinding Disc 125x6x22.2mm manufactured by JUMA ABRASIVE CO.,LTD 

     1) High metal removal rate, best stability,  best efficiency,

       2) Easy and fast grinding

       3) Long life durability and Maximum safety

       4) Comfortable grinding experience


Compare Testing Report 

In JUMA ABRASIVE CO., LTD, we  have the strictly executes quality management system of  ISO 9001 in company operation, equipped with advanced production facilities, has a leading level in product designing and development, and has a perfect and strict testing system for material collecting, procedure control, end-product testing and detailed records of production which have made the Company to be able to optimize its production mode successively so as to meet with higher requirements from the clients.


After finished the OEM order products , we will do the grinding and cutting  test by using the OEM Products manufactured by us compared with the orginal samples from our customers , so that we can ensure to supply the same quality products or better quality products for customer using .  Detail report of this Depressed Center Grinding Disc 125x6x22.2mm  as follows

Part No.

Real Dimension (mm)

Real Weight

Test object


Grinding disc 125x6x22.2mm (customer's samples)


167 g

Grinding the metal steel 45#

grinding 15minutes , the grinding disc wear and tear of   45g;                        The    metal steel 45#  wear and tear   of 182 g ;    The wear rate is 1 : 4 .

OEM Grinding disc 125x6x22.2mm (manufactured by us for this customer )


167 g

Grinding the metal steel 45#

grinding 15minutes , the grinding disc wear and tear of   40g;                        The    metal steel 45#  wear and tear   of 259 g ;    The wear rate is 1 : 6.5 .

Manaufacture process and quality control detail :  

Due to the strong guarantee of quality products, JUMA  abrasive products series have become the leader of medium/high-grade brands in China's grinding tool industry.  At  the same time they are welcome in the foreign market .  Some foreign customers would like to become our agent in their country , just because our abrasive products have strong competitiveness and high quality. 

 At the same time , we supply many OEM cutting wheel and grinding disc to some famouse abrasive agents in different markets . 

Welcome your inquiry and visit.