Microbore Tooling Systems

Fine Boring Systems & Deep Hole Drilling

Microbore® Adaptor Bushes & Build In Units - Technical Information

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Microbore® Press In Adaptor Bushes

Microbore Press In Adaptor Bushes - Diagram 1

Part Number
Angular Mounted
Part Number
Square Mounted
Microbore Hole SizeABCDEFMetric Lock Screw
M2601M2602219.912.014.510.06.82.5MS103
M3601M3602324.915.018.012.58.92.5MS106
M5601M5602535.925.029.020.513.23.0MS109
M7601M7602747.932.039.028.518.03.0MS113
M10601M106021055.938.051.040.023.03.0MS116

Installation Data

Press In Adaptor Bushes - Installation Data

Part Number
Angular Mounted
Part Number
Square Mounted
Microbore Hole SizeA**BCDEFGHJN
M2601M2602220.0
20.1
12.016.012.08.6
8.5
2.57.06.58.018.5
M3601M3602325.0
25.1
15.019.014.010.6
10.5
2.57.08.011.525.0
M5601M5602536.0
36.1
25.030.022.015.6
15.5
3.010.013.016.035.0
M7601M7602748.0
48.1
32.041.031.020.6
20.5
3.010.020.024.045.0
M10601M106021056.0
56.1
38.053.043.024.8
24.6
3.010.025.032.060.0

** Machine Diameter ‘B’ for 0.005 to 0.25 interference fit with actual bush diameter ‘B’

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Installation Information for 'CM' Style Adaptor Bushes

Microbore 'CM' Style Adaptor Bushes - Installation Information Diagram

Part Number
Angular Mounted
Part Number
Square Mounted
Microbore Hole SizeABCDEFGHIJK
CM2611CM2612219.016.04.63.29.02.811.516.09.65 ±0.02M32.5
CM3611CM3612325.020.04.63.29.04.015.51.612.5 ±0.05M33.8
CM5611CM5612530.022.06.54.313.05.024.01.815.4 ±0.05M45.0
CM7611CM7612746.032.011.65.416.06.333.023.0 ±0.05M57.5

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Microbore 'CM' Style Adaptor Bushes

Angular Mounted, Spring Loaded. Triangular Indexable Insert.

Microbore 'CM' Style Bush & Unit - Diagram

Microbore Bush & UnitØD minØDcSRTInsert
CM2B2T06-4026.024.09.72.01.3TCMT06T104
CM3B2T09-4030.028.013.42.42.6TCMT090204
CM5B2T11-4040.038.016.05.60.2TCMT110204
CM7B2T16-8060.058.025.47.9-1.6TCMT16T304

NOTE: ØD is the minimum bore size using a bar specially designed for the purpose.
‘T’ dimn. is to insert sharp corner, a minus sign denotes insert is behind unit centreline.

Spare Parts Included as Bush and Unit
DialWasherLock ScrewSpring WasherInsert ScrewBush ScrewAllen KeyInsert KeyBush
Unit
1
Dial
2
Washer
3
Lock Screw
4
Spring Washer
5
Insert Screw
6
Bush Screw
7
Allen Key
8
Insert Key
9
Bush
M2B2T06-40N/A2306MS1012243DIT6M3x10
MOD
2.0 A/FT6CM2611
M3B2T09-40N/A3306MS1043243P2205M3x10
MOD
2.5 A/FT7CM3611
M5B2T11-4057545306MS1075243P2506M4x12
MOD
4.0 A/FT7CM5611
M7B2T16-8077587306MS1107243P3511M5x16
MOD
6.0 A/FT15CM7611

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Microbore 'CM' Style Adaptor Bushes

Angular Mounted, Spring Loaded. Rhomboid Indexable Insert.

Microbore 'CM' Style Bush & Unit - Diagram 1

Microbore Bush & UnitØD minØDcSRTInsert
CM2B2V-4026.024.08.71.80.3EPMT040204
CM3B2C06-4030.028.011.13.20.2CCMT060204
CM5B2C06-4040.038.016.05.61.2CCMT060204
CM7B2C09-8060.058.025.47.9-1.6CCMT09T304

NOTE: ØD is the minimum bore size using a bar specially designed for the purpose.
‘T’ dimn. is to insert sharp corner, a minus sign denotes insert is behind unit centreline.

Spare Parts included as Bush and Unit
DialSpring WasherBush
Unit
1
Dial
2
Washer
3
Lock Screw
4
Spring Washer
5
Insert Screw
6
Bush Screw
7
Allen Key
8
Insert Key
9
Bush
M2B2V-4022542306MS1012243F2004TM3x10 MOD2.0 A/FT6CM2611
M3B2C06-4037543306MS1043243CO2505M3x10 MOD2.5 A/FT7CM3611
M5B2C06-4057545306MS1075243CO2506M4x12 MOD4.0 A/FT7CM5611
M7B2C09-8077587306MS1107243CO4008M5x16 MOD6.0 A/FT15CM7611

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Microbore 'CM' Style Adaptor Bushes

Square Mounted, Spring Loaded. Triangular Indexable Insert.

CM Style Adaptor Bushes - Square Mounted, Spring Loaded, Triangular Indexable Insert - Diagram

Microbore Bush & UnitØD minØDcSRTInsert
CM2B5T06-5025.022.09.72.52.0TCMT06T104
CM3B5T09-5035.030.012.34.03.0TCMT090204
CM5B5T11-5045.043.016.07.15.4TCMT110204
CM7B5T16-10065.063.025.410.36.4TCMT16T304

NOTE: ØD is the minimum bore size using a bar specially designed for the purpose.

Spare Parts Included as Bush and Unit
DialSpring WasherBush
Unit
1
Dial
2
Washer
3
Lock Screw
4
Spring Washer
5
Insert Screw
6
Bush Screw
7
Allen Key
8
Insert Key
9
Bush
M2B5T06-50N/A2306MS1012243DIT6M3x10 MOD2.0 A/FT6CM2612
M3B5T09-50N/A3306MS1043243P2205M3x10 MOD2.5 A/FT7CM3612
M5B5T11-5057555306MS1075243P2506M4x12 MOD4.0 A/FT8CM5612
M7B5T16-10077607306MS1107243P3511M5x16 MOD6.0 A/FT15CM7612

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Microbore 'CM' Style Adaptor Bushes

Square Mounted, Spring Loaded. Rhomboid Indexable Insert.

CM Style Adaptor Bushes - Square Mounted, Spring Loaded, Rhomboid Indexable Insert - Diagram

Microbore Bush & UnitØD minØDcSRTInsert
CM2B5V-5025.022.08.72.43.0EPMT040204
CM3B5C06-5035.030.011.14.04.0CCMT060204
CM5B5C06-5045.043.016.07.15.4CCMT060204
CM7B5C09-10065.063.025.410.36.4CCMT09T304

NOTE: ØD is the minimum bore size using a bar specially designed for the purpose.

Spare Parts included as Bush and Unit
DialSpring WasherBush
Unit
1
Dial
2
Washer
3
Lock Screw
4
Spring Washer
5
Insert Screw
6
Bush Screw
7
Allen Key
8
Insert Key
9
Bush
M2B5V-5022552306MS1012243F2004TM3x10 MOD2.0 A/FT6CM2612
M3B5C06-5037553306MS1043243CO2505M3x10 MOD2.5 A/FT7CM3612
M5B5C06-5057555306MS1075243CO2506M4x12 MOD4.0 A/FT7CM5612
M7B5C09-10077607306MS1107243CO4008M5x16 MOD6.0 A/FT15CM7612

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SFB Style Gear Adjust Adaptor Bush Installation Information

SFB Style Gear Adjust Adaptor Bush Installation Information - Diagram

Installation Dimensions
Microbore GA BushØA MinØB
±0.10
ØC
H7
ØD
+0.5
ØE
Min
F
±0.10
G
Min
H
±0.05
JKL
±0.10
M
±0.05
ØN
45°
ØP
C/BORE
QR
Min
S
±0.10
T
±0.10
U
SFB-GA227.023.111.010.58.011.59.04.512.07.85.44.56.03.2M39.08.511.52.5
SFB-GA333.028.114.012.511.013.012.05.514.59.26.35.58.04.2M410.010.014.03.5
SFB-GA549.042.120.018.516.020.015.07.521.513.710.27.511.05.5M512.015.021.03.5
SFB-GA762.054.130.018.524.020.520.58.527.519.110.28.512.06.4M615.020.727.05.0

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SFB Style Gear Adjust Bushes

SFB Style Gear Adjust Bushes - Diagram

Microbore GA BushØD minSRTFMicrobore GA UnitInsert
SFB-GA229.07.72.37.611.5M022BS095T06-50GATC_ _0602_ _
SFB-GA334..08.32.89.413.0M032BS095T06-50GATC_ _0602_ _
SFB-GA551.013.83.815.020.0M052BS095TC-100GATC_ _1102_ _
SFB-GA770.022.59.819.820.5M0720L095TC-100GATC_ _1102_ _

NOTE: ØD is the minimum bore size using a bar specially designed for the purpose.

MICROBORE GA BUSHES ARE NOT SUPPLIED WITH GA UNITS. REFER TO MICROBORE UNIT RANGE FOR MORE STYLES OF UNIT AVAILABLE.

G.A. Bush Spares G.A. Spares
SOLD COMPLETESOLD SEPARATELYSOLD ONLY AS A SET
GA BUSH - DiagramBUSH SCREW - DiagramGA WRENCH - DiagramWORM - DiagramSPACER - DIagramSNAP RING - Diagram
G.A. Bush
1
Bush Screw
2
G.A. Wrench
3
Worm
4
Spacer
5
Snap Ring
6
SFB-GA2MS1032842NR2821 SPARES SET
SFB-GA3MS1062842NR3821 SPARES SET
SFB-GA5MS1125842NR5821 SPARES SET
SFB-GA7MS1095842NR7821 SPARES SET

MICROBORE STRONGLY ADVISE THAT ANY RECONDITIONING WORK ON GEAR ADJUST BUSHES IS CARRIED OUT BY FACTORY TRAINED TECHNICIANS

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