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End MillRouterMade in USA

MSR-2-050-BN

2 Flute Ball End Standard Length Metric Tuffy Grade Miniature End Mill

0.5mm Dia 2-Flute Metric End Mill 1.5mm LOC, 3mm Shank, 38mm OAL, 0.25mm CR

2 Flute Ball End Standard Length Metric Tuffy Grade Miniature End Mill — MSR-2-050-BN
Series photo — representative of the MSR-2-BN family
OAL 38 mmFlute 1.5 mmShank Ø3 mmCutter Ø0.5 mmBall
Scaled drawing — true to this tool's dimensions (mm)
Speeds & FeedsDialed to this exact tool — free
Free CAD & DataSTEP 3DDXF 2DISO CSVCAM library
RobbJack SR-2-060 two-flute standard-length Tuffy grade miniature carbide end mill

Standard-length miniature end mills — deeper reach in every .001-inch size from stock

  • Every .001-inch diameter from .005 to .062 is standard — all shipped from stock (SR-2 table runs .010–.062)
  • Hand-selected to any diameter to the nearest .0002-inch under .062
  • Standard flute lengths (3x diameter, e.g. SR-2-010 has a .0300-in flute) for deeper miniature slots and walls
  • 2 flute, 30-degree helix, square end; ball end (SR-2BN) and 4 flute (SR-4) versions available
  • Tuffy grade sub-micrograin carbide, rated for materials up to 40 HRc
  • Tight tolerances: cutting diameter +/-.0005-in, shank diameter -.0001/-.0002-in, flute length +.003/-.000-in
  • Uniform 1/8-in shank and 1-1/2-in overall length across the range (metric MSR: 3 mm shank, 38 mm OAL)
  • Coatings available: TiN (-T), TiCN (-C), AlTiN (-A) and DLC (-DLC)

From the RobbJack Applications Guide.

About this series

MSR-2 Metric Tuffy Grade Miniature End Mills

Metric standard-length miniatures for added reach

The MSR-2 is the metric version of the SR-2 standard-length, 2-flute, square-end Tuffy Grade miniature end mill, with longer flute lengths than the MSS-2 stub for deeper features. Cutting diameters range from .25 mm to 1.50 mm on a 3 mm shank with 38 mm overall length. Ball-end (MSR-2BN) and 4-flute (MSR-4) standard-length variants are also offered.

  • 2 flute, square end
  • 30 degree helix
  • Standard length
  • 3 mm shank, 38 mm OAL
  • Tight tolerances
  • Cutting Dia. tolerance +/-.010 mm

Available uncoated and in TiN, TiCN, AlTiN, and Diamond-Like Carbon (DLC) coatings

Headline spec

Cutting diameters .25 mm-1.50 mm; 3 mm shank; 38 mm OAL

Best for

  • Slotting
  • Side milling
  • Helical interpolation
  • Ramping
  • High-performance roughing
  • Semi-finishing
  • Finishing
  • Aluminum, copper, titanium, magnesium, cast iron, steel, stainless steel, super alloys, plastics, composites, brass and materials up to 40 HRc

Specifications

US machining terms with ISO 13399 codes.

Cutting DiameterDC
0.5 mm
Diameter ToleranceDC tol
0.010/-0.010
Shank DiameterDMM
3 mm
Length of Cut (LOC)APMX
1.5 mm
Overall Length (OAL)OAL
38 mm
Corner RadiusRE
0.25 mm
Number of FlutesNOF
2
Helix AngleFHA
30°
Helix HandFHH
Right-hand
Cut Direction
Right-hand cut
Shank Blend Angle
15°
End Type
Ball End
Center Cutting
Yes — plunges
Hand-Select
Available — any diameter to the nearest .0002"
Series
MSR-2-BN — 2 Flute Ball End Standard Length Metric Tuffy Grade Miniature End Mill

Cuts these materials

AluminumCopper & BrassTitaniumMagnesiumCast IronSteelStainless SteelSuperalloys (Inconel…)PlasticsCompositesHardened 30–40 HRcWood

Applications

SlottingSide MillingHelical InterpolationConventionalRampingHigh Performance3-DRoughingSemi-FinishingFinishingDryWetCold AirSpray MistMiniature

See it run

Tolerances

TypeMinMax
Cutting Diameter+0.01-0.01
Length of Cut+0.10
Overall Length+10
Shank Diameter-0.002-0.005
Starting at$39.40

Made & shipped in the USA · lead time confirmed at order. Buy at retail or through your distributor.

Performance guaranteed. Run it against the tool you use today — if it doesn't beat it, we'll make it right.

Adds Aluminum Titanium Nitride (AlTiN) · $41.20 — our pick for your material. Choose another finish below.

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Proven in the field

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Finishes (5)

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Starting at

$39.40

Performance guaranteed

More in the MSR-2-BN series

Same series, different size — what changes from this tool is shown in red.