Mold Stone
Honing Stone
Super Finishing Stone
Internal Grinding Wheel
CT Grinding Wheel
Resinoid Grinding Wheel
Glass Processing Diamond..
Stainless steel processing..
CBN Grinding Wheel
Surface Grinding Wheel
Diamond Square Stones
Normal Square Stones
Dressing Stone
Block Products (Blank)
Skate, Ski Sharpening Stone

 

Internal grinding wheel is used in internal and external of Bearing, small cylinder, compression parts, injection nozzle parts, ABS parts, valve liter, CVJ parts, and gear etc. Yeonjisa is producing the various types of small-size precise grinding wheel to satisfy the customer's demand

Characteristic(Gerneral Grinding Wheel)
Abrasive
A, WA, C, GC, MA, RA,
MG(mixing)
Grain size
#60 ~ #400
Bond type
V : Vitrified
Size
Straight wheel
D x T x H
Mounted wheel
D x T x Y
Reinforcing materials
S (sulfur)

Characteristic(Super Grinding Wheel)
Abrasive
CBN, CM (Ceramic grain)
Grain size
#100 ~ #600
Bond type
V : Vitrified
Size
Straight wheel
D x T x H
Reinforcing materials
S (sulfur)