4inch Reliable Quality Diamond Grinding Disc For Concrete

4inch Reliable Quality Diamond Grinding Disc For Concrete

 1.Shank Material:65Mn

 2.Segment Size:10mm, 12mm,15mm

 3.Diamond Quality (Grade,Type): Strength 20kg-40kg

 4.Type:Segment,Wet,Turbo wave,Segment Turbo

 5.Quality of Bond (Sentered):cold pressed,hot pressed,  laser welding,silver welding.                                                                       

 6.Diamond Grit Size (Mesh Size):30/40,40/50, 50/60,60/80

 7.Diamond Concentration: 20% -   30%                                                                                  

 8.HRB : 85-105

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