Carbide Inserts, Endmills manufacturer / supplier in China, offering Nigel Brand Cxs-04th050vm-4215r 1025 Internal Threading Small Boring Tool Sc Series for Internal Nxs for Small Hole Boring, Nigel Cxs-04r058-4215r1025 Internal Grooving Nxs Small Boring Tool Carbide Grooving Tool, Nigel Cxs-04G078-4210r1025 Internal Grooving Nxs Boring Tool Efficient for Small Hole Boring and so on.