EDP: 2903634 - Part Number: BR3/4-20.125

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	Show Name	Dates	Location	Website
1	ISA26 (Industrial Supply Association)	April 21–22, 2026	Huntington Convention Center, Cleveland, OH	Show Website
2	IMTS2026 (International Manufacturing Technology Show)	September 14 thru 19, 2026	McCormick Place, Chicago, IL	Show Website

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Address:

Ingersoll Cutting Tools
845 S. Lyford Rd.
Rockford, Illinois 61108

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- 815-387-6600
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Home > z-DAndrea-Modulhard > BR** > 2903634 BR3/4-20.125

EDP: 2903634
Part: BR3/4-20.125
Series: BR**

CCMS Connection Code Machine Side

Cylindrical .7500"

DCON Shank Dia.

0.750

CCWS Connection Code Workpiece Side

MHD 20

L Length

4.920

WT Weight (lb)

0.660

Available : 0

Product Series Features:

Cylindrical or Flatted Shank
D’Andrea MHD Connection

Notes:

**Phased out series. Refer to the IPB-SS-Straight Shank series here.

CCMS - Connection Code Machine Side	Cylindrical .7500"
DCON - Shank Dia.	0.750
CCWS - Connection Code Workpiece Side	MHD 20
L - Length	4.920
WT - Weight (lb)	0.660

z-DAndrea-Modulhard
PR - Extension**

D’Andrea MHD Connection

z-DAndrea-Modulhard
RD - Reducer**

D’Andrea MHD Connection

z-DAndrea-Modulhard
TRM - Finish Boring Head**

Ø.708-4.251"
D’Andrea MHD compatible

z-DAndrea-Modulhard
TRM - Finish Boring Head**

Ø18-84 mm
D’Andrea MHD compatible

z-DAndrea-Modulhard
TS - Double Bit Roughing Head**

Ø.708-7.874"
D’Andrea MHD compatible

Tool Holders
BT*MAXIN

BT MAS-403
Power Milling Chuck
Chucking forces will be reduced by 25% when reduction sleeves are used
Optional reduction sleeves sold separately

Tool Holders
BT*SRKIN

BT MAS-403
INCH Thermal Shrink Chuck
AD Style Coolant (coolant through the center)
For use with Inductive Heating devices ONLY
-C Indicates coolant ports in nose
BT40 balanced G2.5@25,000RPM

HydroMax
C*HYDRO*HD

C-Adapter (ISO 26623-1)
Heavy Duty Hydraulic Milling Chuck
Quick Change Holder
Runout Accuracy <.00012"
High Torque Transmission
Recommended for chatter dampening when machining high temperature alloys such as titanium
Chucking forces will be reduced by 25% when using sleeves
Balanced G2.5@25,000 RPM
*See Notes below

Tool Holders
C*MAXIN

C-Adapter (ISO 26623-1)
Power Milling Chuck
Quick Change Holder
Chucking forces will be reduced by 25% when reduction sleeves are used
Optional reduction sleeves sold separately

Tool Holders
C*SRKIN

C-Adapter (ISO 26623-1)
INCH Thermal Shrink Chuck
Quick Change Holder
For use with h6 carbide, steel, or HSS shank tooling
For use with Induction style heating units only

Tool Holders
CAT*FC*MAXIN

CAT Face Contact
Power Milling Chuck
Chucking forces will be reduced by 25% when reduction sleeves are used
Optional reduction sleeves sold separately

Tool Holders
CAT*FC*SRKIN

CAT Face Contact
Thermal Shrink Chuck
AD Style Coolant (coolant through the center)
For use with Carbide, HSS, and Steel tools with h6 tolerance
Balanced G2.5@25,000RPM
For use with Inductive Heating devices only

HydroMax
CAT*HYDRO

CAT V-Flange
Hydraulic Milling Chuck
CAT40 Balanced G2.5@18,000 RPM
CAT50 Balanced G2.5@12,000 RPM
Runout Accuracy <.00012"
Recommended for chatter dampening when machining high temperature alloys such as titanium
Chucking forces will be reduced by 25% when using sleeves
*See Notes below

Tool Holders
CAT*MAXIN

CAT V-Flange
Power Milling Chuck
Chucking forces will be reduced by 25% when reduction sleeves are used
Optional reduction sleeves sold separately

Tool Holders
CAT*SRKIN

CAT V-Flange
Thermal Shrink Chuck
ADB Style Coolant (convertible coolant through the center & flange)
For use with Inductive Heating device ONLY
Balanced G2.5@25,000RPM

Tool Holders
ER*EX

ER Series DIN6499 Spring Collet
Single Diameter
.0004" Runout Tolerance
Super Finish Surface with Anti-Corrosion Protection
Recommended for improved runout & clamping torque
For use with solid shank cutting tools

Tool Holders
ER*SEAL*AA JET

DIN 6499/ISO 15488-B Collet
Single Diameter
8 Slot Rubber Sealed Design with 4 Cooling Jets directing coolant flow to the cutting edge
AA High Precision
.0002" TIR
Collapse Range 0.008" Max
Super Finish Surface with Anti-Corrosion protection
1450 PSI Max
For use with solid shank cutting tools
Recommended for improved runout & clamping torque

Tool Holders
ER*SPR

ER Series DIN 6499 /ISO15488-B Spring Collet
Inch/Metric Combination
.0004" TIR
Hard Touch Coated
NOTE: ER11 COLLETS SHOWN WITH .039" (1 mm) CLAMPING RANGE HAVE BEEN PHASED OUT AND REPLACED WITH .020" (0.5 mm) CLAMPING RANGE

Tool Holders
ER*SPR*AA

ER Series DIN 6499 Spring Collet
Inch/Metric Combination
AA High Precision
.0002" TIR
Hard Touch coated

HydroMax
HSKA*HYDRO

HSK-A (DIN 69893/A)
Hydraulic Milling Chuck
HSKA50-A63 balanced G2.5@25,000RPM
HSKA100 balanced G2.5@18,000RPM
Note: Chucking forces will be reduced by 25% when optional reduction sleeves are used
*See additional notes below

Tool Holders
HSKA*MAXIN

HSK-A (DIN 69893/A)
Power Milling Chuck
Chucking forces will be reduced by 25% when reduction sleeves are used
Optional reduction sleeves sold separately

Tool Holders
HSKA*SRKIN

HSK-A (DIN 69893/A)
INCH Thermal Shrink Chuck
For use with carbide, HSS, and steel shank tooling
HSKA63 balanced G2.5@25,000RPM
HSKA100 balanced G2.5@20,000 RPM

Tool Holders
HSKFM*SRKIN

HSK-FM (DIN 69893/F)
INCH Thermal Shrink Chuck with removeable Drive Pins for use on Makino models MAG Series A
HSK FM balanced G2.5@33,000RPM
For use with caribide, HSS, & steel tools with h6 shank tolerance
Note: Compatible with inductive heating devices only

HydroMax
SC*HYDRO

Sealed Reduction Sleeve
For use in hydraulic milling chucks
Note: Sleeves are compatible with all cylindrical shanks and Weldon shanks .250"-.750" diameter (Sleeves are not recommended for use with Weldon shanks over .750" diameter)

Tool Holders
SC*SPR

Straight Sleeve/Collet
For use with MAXIN Power Milling chucks
Preset Screw available for tool positioning (Sold Separately)
*Chucking forces will be reduced by 25% when optional reduction sleeves are used

Job-100 Cross-Reference Ingersoll Precision Boring

Milling

Holemaking

ISO Turning
Grade &
Chipbreaker

Turning
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Turning
Chipbreakers

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Turning Holders & Boring Bars

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EDP: 2903634
Part: BR3/4-20.125
Series: BR**

Product Series Features:

Notes:

Milling

Holemaking

ISO TurningGrade &Chipbreaker

TurningGrades

TurningChipbreakers

Turning Inserts

Turning Holders & Boring Bars

Turning Holders & Boring Bars

MachiningApp

RapidThreadAdvisor

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EDP: 2903634 Part: BR3/4-20.125 Series: BR**

Product Series Features:

Notes:

ISO Turning
Grade &
Chipbreaker

Turning
Grades

Turning
Chipbreakers

Machining
App

RapidThread
Advisor

In-Person
Seminars

Mobile
Seminars

Tech
Support

Customer
Service

EDP: 2903634
Part: BR3/4-20.125
Series: BR**