Superfinishing stones are usually vitrified bond grindstones which are frequently used in superfinishing of auto parts, consumer electronics and other precision machine parts, which require high accuracy and ultraprecision.
Recommendation of Superfinishing Stones
Work Material
Surface Roughness
Hard Chrome Plated
Standard Cast Iron
Stainless Steel
Steel (HRC60)
Rough Finish
(0.9-0.7micro)
WA600RH20
GC600RH30
WA600RH20(+S)
GC600RH30(+S)
WA600RH10(+S)
GC1000RH30(+S)
WA600RH10(+S)
GC1000RH30(+S)
Medium Finish
(0.6-0.4micro)
WA1000RH30(+S)
GC800RH50
WA1200RH60
GC1000RH70
WA1000RH50
GC1500RH60
GC1500RH60
Super Finish
(0.3micro or less)
WA2000RH20
GC1500RH60
WA2000RH50
GC1500RH60
WA1500RH40
GC2000RH60
GC2000RH40
(+S) represents sulfur treated.
RH represents scale H on Rockwell hardness tester.
