Metal Bond Discs are specially designed for polishing and grinding concrete,granite,marble,linestone,travertine and terrazzo,and have an advantage over other manufacurer's ssimilar products in current market.

The special features are as follows:
Diamond segment is hot-pressd and professionally welded on the plate to make sure the density of segment is reasonable and help to extend the lifetime of the disc.
The height of diamond segment is higher than other general metal bond discs in the market.Higher segments would make the disc not easy to wear out. 

  Metal Bond Diamond Floor Discs - Single PIN
Single Pin metal floor discs are used for heavy grinding of concrete to prepare for polishing. The discs have 10 segments with round-over edges. Beveled hole is used to fit screws. Pin size is <10mm and hole size is 10mm.