Sunnen style honing mandrel with diamond stone for cast iron CH mandrels

Feature of different material manderls

Series of mandrel:

Our line of business

• Diamond and CBN Honing Stones, Honing Tools
• Honing tools for cylinder liner & blocks honing;
• Fuel injection parts honing;
• Connecting rod honing;
• Gears honing;
• Engines, hydraulic parts honing.

Our detailed mandrel pictures:

6.Plastic box used for packing mandrel

In addition: keyway mandrels ,diamond plated mandrels and CBN-metal bond inserted mandrels are available.

If you would like samples of our products for trials and inspection, please call or email us. I know you will be pleased with our response

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