TYPE 18, 18R, 19, 1801

18 - CYLINDRICAL PLUGS WITH THREADED INSERTS
18R - CYLINDRICAL PLUGS WITH A ROUND NOSE, WITH THREADED INSERTS;
19 - CYLINDER-CONICAL PLUGS WITH THREADED INSERTS
1801 - CYLINDER WHEELS WITH SPHERICAL WORKING SURFACE

The Type 18, Type 18R and Type 19 grinding wheels with a threaded insert, sometimes called “fingerlike”, are intended for rough and finishing grinding of holes and surfaces in confined areas of castings and metal workpieces.

They are used on electric or pneumatic portable straight grinders.  Threaded insert allows for quick change of a worn grinding wheel.

The Type 1801 grinding wheels are intended for special applications – very precise grinding of bearing roller large ends.

MARKING EXAMPLES
18R - 40 x 80 - 3/8” x 25 - 95A24Q6B613 - 50
18 - 50 x 65 - 5/8” x 20 - 98C16R6B97 - 50
1801 - 152,8 x 101,6 - R233,7 - 99A240N8BMOD - 50

18 - D x T - H x L 18R - D x T - H x L 19 - D / J x T / U - H x L 1801 - D x T - R…

Type 18

Dimensions [mm]

D

T

H

L
height of the threaded insert

40

70

M12

25

78

5/8”

80

1/2”-13

3/8”

50

65

5/8”

20

80

80

25

 

Type 18R

Dimensions [mm]

D

T

H

L
height of the threaded insert

40

80

3/8”

25

 

Type 19

Dimensions [mm]

D

J

T

U

H

L
height of the threaded insert

80

20

80

55

5/8”

25

 

Type 1801

Dimensions [mm]

D

T

R

76,6

101,6

86,4

102,1

83,8

120,7

152,8

116,8

175,3

233,7

279,4

Characteristics

Type and nature of abrasive

95A 97A 99A CrA M ZrA 98C 99C
mixtures of abrasives

Grain size (granulation)

14 - 60

Hardness grade

M - R

Bond type

B

Operating speed [m/s]

≤ 50

Characteristics for the Type 1801 grinding wheels need to be agreed on individually.