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Electroplated Diamond & CBN Internal Grinders

Diamond and CBN Electroplated Internal Grinders (grinding pins) are ideal for accurate bore grinding or finishing hardened steels, carbide, ceramic, super alloys and other hard materials.
Style A: Diameter 0.5mm - 6.0mm
Style B: Diameter 7.0mm - 15.0mm
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Diamond Electroplated Internal Grinders
CODE
D
W

Y
L¹
L
GRIT: D91-170/200
BEI005D
0.5
3
3
7
55
BEI007D
0.7
3
3
7
55
BEI010D
1.0
5
3
10
55
BEI015D
1.5
5
3
12
55
BDI020D
2.0
5
3
12
55
GRIT: D126-120/150
BEI025D
2.5
5
3
16
55
BEI030D
3.0
5
3
16
55
BEI035D
3.5
5
6
20
60
BEI040D
4.0
5
6
20
60
BEI050D
5.0
6
6
20
60
GRIT: D181-85/100
BEI060D
6.0
8
6
20
60
BEI070D
7.0
8
6
-
60
BEI090D
9.0
10
6
-
60
BEI100D
10.0
10
6
-
60
BEI120D
12.0
10
6
-
60
BEI150D
15.0
10
6
-
60
internal_grinder
CBN Electroplated Internal Grinders
CODE
D (mm)
W (mm)

Y (mm)
L¹ (mm)
L (mm)
GRIT: CBN91-170/200
BEI005B
0.5
3
3
7
55
BEI007B
0.7
3
3
7
55
BEI010B
1.0
5
3
10
55
BEI015B
1.5
5
3
12
55
BDI020B
2.0
5
3
12
55
GRIT: CBN126-120/150
BEI025B
2.5
5
3
16
55
BEI030B
3.0
5
3
16
55
BEI035B
3.5
5
6
20
60
BEI040B
4.0
5
6
20
60
BEI050B
5.0
6
6
20
60
GRIT: CBN181-85/100
BEI060B
6.0
8
6
20
60
BEI070B
7.0
8
6
-
60
BEI090B
9.0
10
6
-
60
BEI100B
10.0
10
6
-
60
BEI120B
12.0
10
6
-
60
BEI150B
15.0
10
6
-
60

Please state part number when ordering.
All measurements in tables are in mm.