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Vitrified Grinding

K-PRIX vitrified bonded general purpose grinding wheels for use on bench, floor stand and pedestal grinders are most economic and efficient in grinding of all steels. They are designed for use of versatile off-hand grinding in deburring bar stock after cutting, and touching-up reconditioning and sharpening tools where precision grinding is not required.

Aluminum Oxide Wheels (Gray color) are used for grinding all metals in a variety of grinding operations ranging from rough sharpening of miscellaneous work pieces to the off-hand grinding or sharpening of tools.

  1. Extra coarse : A24 for fast, free cutting and rough grinding.

  2. Coarse : A36/A46 for greater stock removal desired and surface finishing not critical on jobs.

  3. Medium : A60/A80 for general grinding to obtain acceptable metal removal and finish.

  4. Fine : A100/A120 for fine clean-up, reconditioning and deburring applications of small tools.

Green Silicon Carbide Wheels (green color) are used on the same machine to resharpening carbide tools and carbide-tipped saws, lathe tools, saws, milling cutters, masonry drill bits.

  1. Coarse : GC46/GC60 for fast and rough grinding of new tungsten carbide, salvaging broken or damaged tools.

  2. Medium : GC80 most common grit for grinding of every tungsten carbide tools.

  3. Fine : GC100/GC120 for fine finishing, reconditioning and deburring applications.

To make wheel adaptable to many different sizes of spindles, hole reducing bushings can be packed with the wheel at a nominal charge upon request.


For reason of economy and productivity as well as quality of surface finish, accuracy and appearance, K-PRIX surface grinding wheels and segments are primarily used to produce flat surface in all tool rooms and production shops in the machine tool, air craft, automotive, cutlery, mold & die and hand tool industries.

Wheels on horizontal spindle grinders

K-PRIX provides the wide variety of wheels shaped in type 1, 5, 7, in horizontal spindle type surface grinding machines.

Type 1 straight wheels or type 5, 7 recessed wheels in diameters ranging from 6"(150mm) to 36"(915mm) and in thickness from 1/8"(3mm) to 4"(100mm) are normally used on horizontal spindle reciprocating table and rotary table grinders.

Wheels on vertical spindle grinders

Cylinder wheels, cup wheels are generally used on vertical spindle rotary and reciprocating table surface grinding machines.

K-PRIX provides a wide range of plane/plate mounted nut inserted type cylinder wheels, straight/tapered cup wheels which are composed with selected abrasive grits, grades, structures and best bonding systems to match any material removal or finish requirement from precision tool grinding room to rugged production job.


Segments are generally used on rotary table surface grinding machines and K-PRIX provides wide range of all purpose shapes, sizes and specifications of segments which are composed with selected abrasives in grits, grades, structures and best bonding systems to match any material removal or finish requirement from precision tool grinding room to rugged production job.

Cylindrical Grinding Wheels

In this type of grinding the work is revolved of its axis between centers.

K-PRIX cylindrical grinding wheels work to a very high degree of accuracy and finish.

K-PRIX cylindrical grinding wheels are used extensively throughout the automotive engine,

turbine, bearing, shipbuilding, aircraft and metal working industries as well as production

shops and tool rooms.

Tool Room

The selection of correct grinding wheel for tool sharpening is very important to successful job finishing of tools. K-PRIX tool room grinding wheels cover all tool room jobs such as reconditioning and sharpening of various types of tools and cutters.

Straight wheels, cup wheels, dish wheels, mounted wheels and cut-off wheels are applicable for drills, broaches, taps, milling cutters, metal saws, reamers, gears, dies, hobs and other tools.




  • WA is most conventional for tool & die steels.

  • RA is suitable for grinding high alloyed steel.

  • SA is ideal for grinding heat sensitive high alloyed steel and high speed steel.

  • GC is widely used for grinding cemented carbide tools.

  • CW is the most efficient for tools and cutters.

Grit Size

#36,46,54,60,80,100,120,150,180,220 and finer grits

Grade (Hardness)

Type 11, Flaring Cup Wheels

Type 50, Plate Mounted Wheels

GC (Green Silicon Carbide) grain is widely used for grinding cemented carbide tools.


Crankshaft grinding wheels are one of special class of K-PRIX production program.

K-PRIX offers special thickness dimension(8500SFPM-43M/SEC) and higher speed machines to the automotive, truck, diesel, aircraft, and also to many engine rebuilding shops for dimensional accuracy, corner radii and surface finish as well as large stock removal.

Most of crankshaft wheels are type 1,5,7,8,10 and 21 ranging from 18"(455mm) up to 48"(1220mm) in diameter and 1/2"(12.7mm) to 2.1/2" (63.5mm) thickness.

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