SB-201-02
2 Flute Ball End Stub Length Tuffy Grade Carbide End Mill
0.0625-in Dia 2-Flute End Mill, 0.125-in LOC, 0.125-in Shank, 1.5-in OAL, 0.03125-in CR


2 and 3 flute Tuffy grade carbide ball end mills in stub length -- rigid short-flute ball tools for 3-D work from 1/16" to 3/4" inch and 1.5 mm to 20 mm metric.
- Ball end, stub-length flutes for rigidity: SB-201 (2 flute) and SB-301 (3 flute), both 30-degree helix
- Inch sizes from 1/16" to 3/4"; metric MSB-201 from 2 mm to 20 mm and MSB-301 from 1.5 mm to 20 mm
- Applications: slotting, side milling, helical interpolation, conventional and ramping 3-D work, high performance, roughing, semi-finishing, and finishing
- Materials: aluminum, copper, magnesium, cast iron, plastics, brass, and wood
- New coatings available -- uncoated, TiN, TiCN, AlTiN, and DLC
- Tolerances: cutting diameter +.000/-.002 (1/16" to 1/4") or +.000/-.003 (9/32" to 3/4"), shank diameter -.0001/-.0002, flute length +.030/-.000 (1/16" to 5/16") or +.060/-.000 (3/8" to 3/4"), OAL +/-.060; MSB cutting diameter +.000/-.075 mm
From the RobbJack Applications Guide.
About this series
SB / MSB Ball End Stub Length Tuffy Grade Carbide End Mills
2 and 3 flute ball-end mills for 3-D, die and mold work
The SB series is a ball-end, stub-length Tuffy Grade carbide end mill with a 30 degree helix, offered in 2 flute (SB-201) and 3 flute (SB-301) configurations. MSB is the metric equivalent. Available uncoated and with TiN, TiCN, AlTiN and DLC coatings.
- Ball end, stub length, 30 degree helix
- 2 and 3 flute configurations
- Inch (SB) and metric (MSB) versions
- Uncoated or TiN, TiCN, AlTiN, and DLC coated
Aluminum, copper, magnesium, cast iron, plastics, brass, wood
Headline spec
Ball end, stub length, 30 degree helix, 2/3 flute
Best for
- 3-D machining
- Slotting and side milling
- Helical interpolation, conventional and ramping
- High performance roughing through finishing
Specifications
US machining terms with ISO 13399 codes.
- Cutting DiameterDC
- 0.0625″
- Diameter ToleranceDC tol
- 0.0000/-0.0020
- Max Cutting DiameterDCX
- 0.0625″
- Shank DiameterDMM
- 0.125″
- Length of Cut (LOC)APMX
- 0.125″
- Overall Length (OAL)OAL
- 1.5″
- Corner RadiusRE
- 0.0313″
- 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
- Series
- SB-201 — 2 Flute Ball End Stub Length Tuffy Grade Carbide End Mill
Cuts these materials
Applications
See it run
Tolerances
| Type | Min | Max |
|---|---|---|
| Cutting Diameter | 0 | -0.002 |
| Length of Cut | +0.03 | 0 |
| Overall Length | +0.06 | -0.06 |
| Shank Diameter | -0.0001 | -0.0002 |
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) · $36.95 — our pick for your material. Choose another finish below.
Proven in the field
- $548,290saved per year drilling carbon-fiber aircraft
- $216,000saved per year trimming aircraft skins
- 1,000%metal-removal increase in Inconel 718 (SPS)
Finishes (5)
Uncoated
SB-201-02
$35.15
Available to order
SB-201-02-A
$36.95
Available to order
SB-201-02-C
$36.80
Available to order
SB-201-02-T
$36.35
Available to order
SB-201-02-DLC
$38.50
Available to order
Starting at
$35.15
Performance guaranteed
More in the SB-201 series
Same series, different size — what changes from this tool is shown in red.
- SB-201-03$35.45Ø 0.0937″LOC 0.1875″CR 0.0469″2 FL
- SB-201-04$33.30Ø 0.125″LOC 0.25″CR 0.0625″2 FL
- SB-201-05$45.75Ø 0.1562″LOC 0.25″CR 0.0781″OAL 2″
- SB-201-06$47.20Ø 0.1875″LOC 0.3125″CR 0.0938″OAL 2″
- SB-201-07$61.70Ø 0.2187″LOC 0.3125″CR 0.1094″OAL 2.5″
- SB-201-08$60.65Ø 0.25″LOC 0.3125″CR 0.125″OAL 2.5″
- SB-201-09$64.20Ø 0.2812″LOC 0.4375″CR 0.1406″OAL 2.5″
- SB-201-10$61.65Ø 0.3125″LOC 0.4375″CR 0.1563″OAL 2.5″
- SB-201-12$95.25Ø 0.375″LOC 0.5″CR 0.1875″OAL 2.5″
- SB-201-14$116.35Ø 0.4375″LOC 0.625″CR 0.2188″OAL 2.75″
- SB-201-16$158.10Ø 0.5″LOC 0.625″CR 0.25″OAL 3″
- SB-201-20$297.45Ø 0.625″LOC 0.875″CR 0.3125″OAL 3.5″