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  • Alumina, silicon carbide Honing Stone for H70/H50 model,

  • Product Description
  • Each set consist of two stone assemblies and two guide shoes.
    Stone Color: Yellow, White Aluminium Oxide, Black Silicon Carbide,
    Green  Silicon Carbide, Resin and ……,
    The H70 series are specially designed for Sunnen Honing Machine. There are also H70/H50 with diamond and CBN material………
    The grits and sizes can be done under the customer's requirements

H70 /H50 series: Mainly interchangeable with American Sunnen HT horizontal honing machine.
Manufacturer of H70/H50 Honing Stone and Guide Sets for Sunnen MPS Modular Tool Systems.

H50 Honing Stone Sets for use with MPS-H50 Hone Head
Each set consist of two stone assemblies

H70 Honing Stone and Guide Set for use with MPS-H70, MPS-H85, MPS-H165 and MPS-H200 Hone Heads.
Each set consist of two stone assemblies and two guide shoes.

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

Available grits: From #60 to #500

Relation table of surface finish and stone grit size:

Characteristics :

•Honing pressure is bigger
•The allowance and the amount of feed is bigger.
•The precision is high and the process is simple.
Bore type: open holes with no interruptions, open holes with keyways or splines, open holes with tandem lands and blind holes.

Stone Grit Size

Surface Demands


Cast iron, Bronze, Aluminum Alloy


Ra 0.8

Ra 1.6


Ra 0.4

Ra 0.8


Ra 0.2

Ra 0.4


Ra 0.1

Ra 0.2


Ra 0.05

Ra 0.1


Yellow, green, brown, red, lilac, cyan, white


#24, from #60 to #500


Aluminum Oxide, Black Silicon Carbide, Green Silicon Carbide, resin and so on


Model Number:

H50-NM55       H70-A47

Grit size:

120,also provide 80, 100, 120, 150, 220, 280, 400, 500, 600

Stone material:



With slot 



Stone Image:

Show image:
(Be assembled on Portable honing heads )



•Long time
•Good quality high performance
•Customized Size and Specification is available
•Honing stone can be used directly into Sunnen Machine
•Short delivery time: normally we have enough stock for the standard models.

With professional technology to meet customers' different parts processing requirements, solve the production of non-standard parts, continuously improve the self, and achieve precision machining with low cost, To achieve double win cooperation.