Hongtuo cylinder block diamond honing stick sunnen honing tools open hole honing

We offer a wide range of Sunnen style honing abrasives including diamond honing stone, CBN honing stones. Honing tools incl. mandrels, honing head, wedges, retainers, adapters, guide shoes, alignment bushings, truing sleeves etc.

Honing mandrel composition

What is the role of the honing rod composition and each honing component:

Honing stone: the grinding strip is bonded to the base and is the main part involved in grinding;

Honing mandrel: the rear end is connected with the connector, and the front end groove is a cut body of the honing stone;

Adapter: connecting the honing rod and the honing machine spindle to transmit torque;

Wedge: push the oil stone up and make the oil stone participate in the grinding;

Retainer: Connect to the connector to tighten the oil stone to prevent the flying strip.

K series

B series

Grain size and roughness

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