Yantai Powerful Honing Application CO.,LTD is a powerful professional manufacture of honing stone. Our company has been committed to a comprehensive study of honing process for many years,

Our honing tools are typically designed for American Sunnen horizontal & vertical honing machine

Application:

• Engineering hydraulic cylinder,

• Cylinder oil field pump,

• Coal mine hydraulic prop, the engine liner,

• Military guns and other deep hole boring and processing areas.

Specification:

Description of Goods	Sunnen Grinding oil stone
Size	204*12.8*12.8
Grit	122
Materials	Green silicon carbon
Hardness	P
Type	FE 13

The grits and sizes can be done as the customer's requirements.