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End MillRouterMade in USA

MSS-4-150

4 Flute Stub Length Metric Tuffy Grade Miniature End Mill

1.5mm Dia 4-Flute Metric End Mill 2.3mm LOC, 3mm Shank, 38mm OAL

4 Flute Stub Length Metric Tuffy Grade Miniature End Mill — MSS-4-150
Series photo — representative of the MSS-4 family
OAL 38 mmFlute 2.3 mmShank Ø3 mmCutter Ø1.5 mmSquare
Scaled drawing — true to this tool's dimensions (mm)
Speeds & FeedsDialed to this exact tool — free
Free CAD & DataSTEP 3DDXF 2DISO CSVCAM library
RobbJack SS-2-062 two-flute stub-length Tuffy grade miniature carbide end mill

The best miniature tools in any size as standard — stub length for maximum rigidity

  • Every .001-inch diameter from .005 to .062 is standard — all shipped from stock
  • Hand-selected to any diameter to the nearest .0002-inch under .062
  • Stub flute lengths (approx. 1.5x diameter, e.g. SS-2-010 has a .0150-in flute) for maximum rigidity at miniature scale
  • 2 flute, 30-degree helix, square end; ball end (SS-2BN) and 4 flute (SS-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 MSS: 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

MSS-2 Metric Tuffy Grade Miniature End Mills

Metric stub-length miniatures from stock

The MSS-2 is the metric version of the SS-2 stub-length, 2-flute, square-end Tuffy Grade miniature end mill. Cutting diameters range from .15 mm to 1.50 mm on a 3 mm shank with 38 mm overall length. A ball-end variant (MSS-2BN) and a 4-flute variant (MSS-4) are also offered in metric sizes.

  • 2 flute, square end
  • 30 degree helix
  • Stub 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 .15 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
1.5 mm
Diameter ToleranceDC tol
0.010/-0.010
Shank DiameterDMM
3 mm
Length of Cut (LOC)APMX
2.3 mm
Overall Length (OAL)OAL
38 mm
Number of FlutesNOF
4
Helix AngleFHA
30°
Helix HandFHH
Right-hand
Cut Direction
Right-hand cut
Shank Blend Angle
15°
End Type
Square End
Center Cutting
Yes — plunges
Hand-Select
Available — any diameter to the nearest .0002"
Series
MSS-4 — 4 Flute Stub Length Metric Tuffy Grade Miniature End Mill

Cuts these materials

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

Applications

SlottingSide MillingHelical InterpolationRampingHigh PerformanceRoughingSemi-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$25.45

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) · $27.25 — our pick for your material. Choose another finish below.

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Download ISO 13399 data (.csv)

Proven in the field

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Finishes (5)

Compare tool coatings →

Starting at

$25.45

Performance guaranteed

More in the MSS-4 series

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