Yantai Qonly Honing Application CO.,LTD  is a powerful professional manufacture of honing stones. we can do different shape, oil stone, sharpening stone, polishing stone, abrasive stone, honing stones.

Our products are widely used in engineering hydraulic cylinder, cylinder oil field pump, coal mine hydraulic prop, the engine liner, Sunnen H70,H50,FE series and RY series,military guns and other deep hole boring and processing areas,there are also sharpening stones to honing knife.

The material of honing stones

I. Corundum series:

•Brown fused alumina(A) White fused alumina(A)

•Single-crystal fused alumina(SA) microcrystal fused alumina

Application:Carbon steel, alloy steel, high speed steel, stainless steel, carbonized steel,hardened steel, chrome steel, nickel steel, carbonitriding steel.

II. SiC (silicon carbide)series:

•Green SiC,Black SiC,

Application:Gray cast iron , boron cast iron, high phosphorus iron, ductile iron,

aluminum ally, brass, bronze, hard alloy, ceramic materials and other non-metallic materials.

Specification:

Name:honing stone,abrasive stone,finishing stone,grinding stone,polishing stone,shapening stone,oil stone,

Materials: Aluminium Oxide, Black Silicon Carbide, Green Silicon Carbide ,resin and so on,

Color :according to customer requirement.

Size : Length:from 40mm to 200mm

     Breadth:from 3mm to 25mm

     Height: from 3mm to 25mm

     Sunnen size.

Grit: from #80 to #600,