GARR TOOL V4B Ball End Mill — representative series image; exact dimensions vary by EDP

Representative series image. Refer to the selected EDP for exact specifications.

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GARR TOOL V4B Ball End Mill — Metric

Name: GARR TOOL V4B Ball End Mill — Metric — 4.00 mm / 12 mm / -
Brand: GARR TOOL
SKU: 50181

GARR TOOL V4B Ball End Mill — Metric

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Solid submicron-grain carbide end mill for titanium, Inconel, and stainless steel. Features variable helix geometry, Ball-end, 4 flutes, AlCrN coating, and a center-cutting design.

SKU: 50181

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GARR TOOL V4B Ball End Mill — Metric

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Technical Specifications

GARR TOOL V4B Ball End Mill — Metric

Exact tool data. Clear decisions.

Compare the configurations in this series. Dimensions and geometry apply to the selected EDP.

Tool configurations

Dimension reference

d₁: Cutting diameter
d₂: Shank diameter
l₂: Length of cut
d₃: Neck diameter
l₃: Reach
l₁: Overall length
r: Corner radius

Representative manufacturer schematic for dimension placement; it does not show the exact profile of every EDP.

Dimensions: millimeters. Values preserved from GARR.
EDP	Cutting diameter d₁ (mm)	Shank diameter d₂ (mm)	Length of cut l₂ (mm)	Neck diameter d₃ (mm)	Neck length (mm)	Reach l₃ (mm)	Overall length l₁ (mm)	Flutes	End type	Coating	Shank flat	Weight (lb)
50181	4.00 mm	6.0 mm	12 mm	-	-	-	50 mm	4	BALL	ALCRN	-	0.0400
50192	5.00 mm	6.0 mm	20 mm	-	-	-	65 mm	4	BALL	ALCRN	-	0.0500
50252	6.00 mm	6.0 mm	12 mm	-	-	-	65 mm	4	BALL	ALCRN	-	0.0600
50253	6.00 mm	6.0 mm	19 mm	-	-	-	65 mm	4	BALL	ALCRN	-	0.0600
50256	8.00 mm	8.0 mm	22 mm	-	-	-	65 mm	4	BALL	ALCRN	-	0.1000
50258	10.00 mm	10.0 mm	22 mm	-	-	-	70 mm	4	BALL	ALCRN	-	0.1700
50259	12.00 mm	12.0 mm	32 mm	-	-	-	75 mm	4	BALL	ALCRN	-	0.2300
50263	16.00 mm	16.0 mm	32 mm	-	-	-	88 mm	4	BALL	ALCRN	-	0.5100
50265	20.00 mm	20.0 mm	38 mm	-	-	-	100 mm	4	BALL	ALCRN	-	0.8800
50291	12.00 mm	12.0 mm	32 mm	-	-	-	75 mm	4	BALL	ALCRN	Y	0.2300
50295	16.00 mm	16.0 mm	32 mm	-	-	-	88 mm	4	BALL	ALCRN	Y	0.5000
50297	20.00 mm	20.0 mm	38 mm	-	-	-	100 mm	4	BALL	ALCRN	Y	0.8700
50470	12.00 mm	12.0 mm	26 mm	-	-	-	75 mm	4	BALL	ALCRN	-	0.2400
50576	12.00 mm	12.0 mm	42 mm	-	-	-	100 mm	4	BALL	ALCRN	-	0.3100
50687	8.00 mm	8.0 mm	32 mm	-	-	-	75 mm	4	BALL	ALCRN	-	0.1100
50688	8.00 mm	8.0 mm	12 mm	7.5000	38.0000	50.0000	100 mm	4	BALL	ALCRN	-	0.1600
50691	10.00 mm	10.0 mm	30 mm	-	-	-	70 mm	4	BALL	ALCRN	-	0.1500
50692	10.00 mm	10.0 mm	14 mm	9.4000	36.0000	50.0000	100 mm	4	BALL	ALCRN	-	0.2400
50693	12.00 mm	12.0 mm	36 mm	-	-	-	88 mm	4	BALL	ALCRN	-	0.2700
50694	12.00 mm	12.0 mm	48 mm	-	-	-	100 mm	4	BALL	ALCRN	-	0.3000
50695	12.00 mm	12.0 mm	14 mm	11.4000	36.0000	50.0000	100 mm	4	BALL	ALCRN	-	0.3700
50702	16.00 mm	16.0 mm	48 mm	-	-	-	100 mm	4	BALL	ALCRN	-	0.5500
50704	20.00 mm	20.0 mm	48 mm	-	-	-	100 mm	4	BALL	ALCRN	-	0.8500
50705	20.00 mm	20.0 mm	60 mm	-	-	-	150 mm	4	BALL	ALCRN	-	0.0000

Technical overview

Geometry

Helix geometry varies over length of flutes
Variable flute design helps with chip evacuation in slots and pockets

Construction

Solid submicron grain carbide end mill - center cutting

PCT (Polish Carbide Treatment) enhances tool life

Coating and finish

Variable Helix - Ball End - 4 Flutes - AlCrN Coated

Configuration notes

Smaller diameters can be modified with a flat within 48 hours

Tolerances

flute dia. +.000-.002" (+.000-.050mm) · shank dia. -.0001-.0004" (-0.0025-0.0100mm) · ball radius +.000-.001" (+0.000-0.025mm)

Operating guidance

(The combination of an extended flute length with a weldon flat may cause the flute washout to reach inside some end mill holders)

Advantages

Chip control
Variable rake aids in chip formation

Burr control
Minimizes burr on part

High efficiency milling
Engineered for High Efficiency Milling

Applications & compatible materials

Applications

Milling
Slotting
High efficiency milling

Compatible materials

Titanium
Inconel
Stainless Steel

Technical documents

Cutting parameters, setup guidance, and the series catalog.

Cutting parameters · Inch PDF · 66 KB · English View PDF Cutting parameters · Metric PDF · 61 KB · English View PDF Series catalog PDF · 1345 KB · English View PDF

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GARR TOOL V4B Ball End Mill — Metric