RobbJack Corporation

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12mm Dia 3-Flute Metric End Mill 25mm LOC, 12mm Shank, 83mm OAL, 6mm CR

3 Flute Ball End Standard Length Metric Tuffy Grade Carbide End Mill

PREVIEW AND DIAGRAM (MB-333)

Specifications

Cutting Dia	0.4724″
Flute Len	0.9843″
Shank Dia	0.4724″
Overall Len	3.2677″
Blend Angle	0″

Tolerances

Cutting Diameter	+.000/−.075″
Length of Cut	+.500/+1.500″
Shank Diameter	−.002/−.005″
Overall Length	±1.000″

Catalog

Catalog Page

101

Speed & Feeds

Material	Surface Feet	1/4"		5/16"		3/8"		1/2"		5/8"		3/4"		1
Material	Surface Feet	Material	SFM	RPM	CLPT	RPM	CLPT	RPM	CLPT	RPM	CLPT	RPM	CLPT	RPM	CLPT	RPM	CLPT
ALUMINUM
2024	Max RPM	Max	0.0064	Max	0.0080	Max	0.0096	Max	0.0128	Max	0.016	Max	0.0192	Max	0.0256
6061 (T1-T3)	Max RPM	Max	0.0032	Max	0.0040	Max	0.0048	Max	0.0064	Max	0.0080	Max	0.0096	Max	0.0128
6061 (T4-T6)	Max RPM	Max	0.0064	Max	0.0080	Max	0.0096	Max	0.0128	Max	0.0160	Max	0.0192	Max	0.0256
7075	Max RPM	Max	0.0064	Max	0.0080	Max	0.0096	Max	0.0128	Max	0.0160	Max	0.0192	Max	0.0256
NON-FERROUS
Brass	750	11460	0.0032	9168	0.0040	7640	0.0048	5730	0.0064	4584	0.0080	3820	0.0096	2865	0.0128
Copper	600	9168	0.0032	7334	0.0040	6112	0.0048	4584	0.0064	3667	0.0080	3056	0.0096	2292	0.0128
Magnesium	Max RPM	Max	0.0064	Max	0.0080	Max	0.0096	Max	0.0128	Max	0.0160	Max	0.0192	Max	0.0256
Plastics	1300	19864	0.0064	15891	0.0080	13243	0.0096	9932	0.0128	7946	0.0160	6621	0.0192	4966	0.0256
WOOD
Hardwoods	Max RPM	Max	0.0032	Max	0.0040	Max	0.0048	Max	0.0064	Max	0.0080	Max	0.0096	Max	0.0128
Soft woods	Max RPM	Max	0.0032	Max	0.0040	Max	0.0048	Max	0.0064	Max	0.0080	Max	0.0096	Max	0.0128
MDF	1300	19864	0.0064	15891	0.00080	13243	0.0096	9932	0.0128	7946	0.0160	6621	0.0192	4966	0.0256
Laminate	1300	19864	0.0064	15891	0.0080	13243	0.0096	9932	0.0128	7946	0.0160	6621	0.0192	4966	0.0256

Other Tools in this Series

Tool #	Cutting Dia	Flute Len	Shank Dia	Overall Len	Blend Angle	Coatings	Pg. #
MB-333-01.5	0.0591″	0.2362″	0.1181″	1.4961″	12.5″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-02	0.0787″	0.315″	0.1181″	1.4961″	15″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-03	0.1181″	0.4724″	0.1181″	1.4961″	0″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-04	0.1575″	0.4724″	0.1575″	1.9685″	0″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-05	0.1969″	0.5512″	0.1969″	1.9685″	0″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-06	0.2362″	0.5512″	0.2362″	2.2441″	0″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-08	0.315″	0.6299″	0.315″	2.4803″	0″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-10	0.3937″	0.7874″	0.3937″	2.8346″	0″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-16	0.6299″	1.2598″	0.6299″	3.622″	0″	Uncoated AlTiN TiCN DLC TiN	101
MB-333-20	0.7874″	1.4961″	0.7874″	4.0945″	0″	Uncoated AlTiN TiCN DLC TiN	101

SPEEDS & FEEDS