EDP: 9589393 - Part Number: RHB-.4371.001.00Z4218C27 - Series: RHB_4

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1	PMTS (Precision Machining Technology Show)	April 1–3, 2025	Huntington Convention Center, Cleveland, OH	Show Website

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Home > RhinoRounds > RHB_4 - Ball Nose End Mill > 9589393 RHB-.4371.001.00Z4218C27

EDP: 9589393
Part: RHB-.4371.001.00Z4218C27
Series: RHB_4 - Ball Nose End Mill

DC Cutting Dia.

0.4375

PRFRAD Profile Radius

0.219

APMX Depth of Cut Max.

1.000

LUX Usable Length Max.

1.000

OAL Overall Length

2.750

ZEFF Eff. Teeth

4

FHA Flute Helix Angle

38

DCON Shank Dia.

0.438

CSP Coolant

No

Available : 2

Product Series Features:

Ø.125-1.000"
Cylindrical Shank
4 Flute, 38° Helix
Variable Pitch

DC - Cutting Dia.	0.4375
PRFRAD - Profile Radius	0.219
APMX - Depth of Cut Max.	1.000
LUX - Usable Length Max.	1.000
OAL - Overall Length	2.750
ZEFF - Eff. Teeth	4
FHA - Flute Helix Angle	38
DCON - Shank Dia.	0.438
CSP - Coolant	No

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

Tool Holders
ER*SRK

ER Series Integral Collet
Thermal Shrink Adaption
1450 Max PSI
For use with Carbide Shank Tooling only
For through coolant, preset screw must be removed
*See Notes below

Tool Holders
ER*SRK*JET2

ER Series Integral Collet with Internal Cooling Jets
Thermal Shrink Adaption
1450 Max PSI
For use with standard carbide shank (non-coolant through) tooling
*Note: When assembled in an ER holder, the actual protruding length of the becomes shorter by 2.0 mm for ER20 and 3.0 mm for ER25 and ER32

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

New-350-1 RhinoRounds 4-Flute

RhinoRounds 4-Flute Operating Guidelines

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Holemaking

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Grade &
Chipbreaker

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EDP: 9589393
Part: RHB-.4371.001.00Z4218C27
Series: RHB_4 - Ball Nose End Mill

Product Series Features:

Milling

Holemaking

ISO TurningGrade &Chipbreaker

TurningGrades

TurningChipbreakers

Turning Inserts

Turning Holders & Boring Bars

Turning Holders & Boring Bars

MachiningApp

RapidThreadAdvisor

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TechSupport

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EDP: 9589393 Part: RHB-.4371.001.00Z4218C27 Series: RHB_4 - Ball Nose End Mill

Product Series Features:

ISO Turning
Grade &
Chipbreaker

Turning
Grades

Turning
Chipbreakers

Machining
App

RapidThread
Advisor

In-Person
Seminars

Mobile
Seminars

Tech
Support

Customer
Service

EDP: 9589393
Part: RHB-.4371.001.00Z4218C27
Series: RHB_4 - Ball Nose End Mill