WRU-301-20
3 Flute Stub Rougher Solid Carbide Upshear Router
0.625-in Dia 3-Flute End Mill, 2.1875-in LOC, 0.625-in Shank, 4.625-in OAL


3 Flute Rougher Solid Carbide Upshear Router — Spiral Routers for Rough Cutting
- 3 flute solid carbide upshear ROUGHER — serrated roughing profile breaks chips small for fast, heavy stock removal
- 30° helix, square end with corner chamfer
- WRU-301 stub rougher (1/2"–3/4" dia., 3-1/2"–5" OAL) and WRU-303 standard rougher (1/2"–3/4" dia., 4"–5" OAL, plus 16mm metric: 16mm dia. × 55mm flute × 118mm OAL)
- Deliberately ground undersize for roughing: cutting dia. tolerance −.003/−.007; shank dia. −.0001/−.0002; flute length +.060/−.000; OAL ±.060
- Applications: slotting, side milling, helical interpolation, ramping, roughing, semi-finishing — dry, wet, cold air, or spray mist
- Materials: wood, aluminum, copper, magnesium, brass
- Diamond-Like Carbon (DLC) coating available
- Guitar building: WRU/WRD Series handle roughing of blanks and bodies (Applications Guide p.194)
From the RobbJack Applications Guide.
About this series
WRU Rougher Solid Carbide Upshear Routers
3 flute upshear rougher routers for fast wood and plastics stock removal
The WRU series is a 3 flute solid carbide upshear rougher spiral router with a square end and 30 degree helix, offered in stub (WRU-301) and standard (WRU-303) rougher lengths for wood and plastics rough cutting. DLC coating available.
- 3 flute upshear rougher, square end, 30 degree helix
- Stub and standard rougher lengths
- DLC coating available
Wood, aluminum, copper, magnesium, brass
Headline spec
Rougher, 3 flute upshear, 30 degree helix
Best for
- Rough cutting
- Slotting and side milling
- Helical interpolation and ramping
Specifications
US machining terms with ISO 13399 codes.
- Cutting DiameterDC
- 0.625″
- Diameter ToleranceDC tol
- 0.0000/-0.0020
- Max Cutting DiameterDCX
- 0.625″
- Shank DiameterDMM
- 0.625″
- Length of Cut (LOC)APMX
- 2.1875″
- Overall Length (OAL)OAL
- 4.625″
- Corner ChamferCHW
- 0.020/0.030
- Number of FlutesNOF
- 3
- Helix AngleFHA
- 30°
- Helix HandFHH
- Right-hand
- Cut Direction
- Right-hand cut
- End Type
- Square End
- Center Cutting
- Yes — plunges
- Shear Direction
- Up-shear
- Series
- WRU-301 — 3 Flute Stub Rougher Solid Carbide Upshear Router
Cuts these materials
Applications
See it run
Tolerances
| Type | Min | Max |
|---|---|---|
| Cutting Diameter | -0.003 | -0.007 |
| Length of Cut | +0.06 | 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 Diamond-Like Carbon (DLC) · $342.70 — 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 (2)
Uncoated
WRU-301-20
$302.25
Available to order
WRU-301-20-DLC
$342.70
Available to order
Starting at
$302.25
Performance guaranteed
More in the WRU-301 series
Same series, different size — what changes from this tool is shown in red.