P28 P20 Polishing Diamond Sharpening Hone , 80-100mm Honing Machine Tools

The super abrasive stone, also known as a honing stick, described here is specifically designed for Sunnen honing machines. The honing equipment has different series of honing stones that can finish different types of bores with different bore diameters. For example, the Y series is mainly used to bore holes with a keyway.

If our diamond or CBN honing stones can’t be matched with your Sunnen honing equipment in size and bore diameters, please let us know. As a professional honing tool supplier, we can customize suitable products for you. In addition, we can offer honing stones and bore honing tools for Sunnen machines and other brand name honing equipment. For specific information, please check out “other honing stone.”

Hardness and Particle Size of SN Series Honing Stones

According to customer demands and market feedback, our SN series honing stones can be further divided into 5 categories, including the K, L, BL, P28 and Y series.

K Series Honing Stone

L Series Honing Stone

BL Series Honing Stone

P28 Series Honing Stone

Y Series Honing Stone

Zhengzhou Hongtuo Superabrasive Tools Co.,Ltd was founded in 1997.It is a high-tech company engaged in R&D,production,sale and service of superabrasive tools.The company has 350 employees,over 300 sets of manufacturing and testing equipments.With 2 advanced metal bonded honing stones and vitrified bonded diamond&CBN grinding wheels production lines,which can produce750 000 pieces honing stones and 4 000 pieces grinding wheels annually.The company has been granted the ISO9001:2000 certificate in 2000.In the same year,it has been obtained the certificate of “high-new technology company”and “high-new technology products”granted by Science&Technology Division of Henan province.

Our products are widely used in the such industries as:automobile parts,motor parts,refrigeration compressor,aviation,hydraulics,sewing-machine parts and bearings.In respect of product quality,development and production capacity,the company is a leading manufacturer in the industry.it can meet all kinds of requirement.At present,a great parts of our proucts are sold to countries and regions as Europe,Japan,Taiwan and South-East Asian countries.

Our customer