The Hurrimill Cat4 (evolved from the HGW4 Series) is a high-performance end mill designed for cutting hard alloys and tool steels.
See the Hurrimill Speeds & Feeds
- The unequal indexing and variable helix reduces or eliminates chatter
- The high performance cutting geometries allow for faster metal removal rates
- nACo coating is standard for increasing performance and extending tool life
- Up to 30% longer tool life than what’s available in the industry today
- The Hurrimill Cat4 Series is available standard with both a square corner or corner radius
- Available in sizes ranging from 1/8 to 1 inch
- For Standard and Long Radius and Square sizes, please see other tear sheet
- Special corner radius size is available upon request
The Hurrimill Cat4 (HGW4) Series
$16.78 – $379.58
$16.78 – $379.58
Cutting Diameter
0.125
0.1875
0.25
0.3125
0.375
0.5
0.625
0.75
1
End Type
Ball Nose
R.005 Corner Radius
R.01 Corner Radius
R.015 Corner Radius
R.02 Corner Radius
R.03 Corner Radius
R.06 Corner Radius
R.09 Corner Radius
R.12 Corner Radius
Square End
Length
Long
Standard
Stub
Length of Cut
0.25
0.312
0.437
0.4375
0.5
0.625
0.75
0.812
0.875
1
1.125
1.25
1.5
1.75
2
2.25
Clear selection
See Tool Specs & Variations
| SKU | Length | Length of Cut | Cutting Diameter | End Type | Stock | Price | Quantity | Add to Cart |
|---|---|---|---|---|---|---|---|---|
| 120432 | Stub | 0.25 | 0.125 | Square End | 19 | $16.78 | | |
| 120433 | Stub | 0.312 | 0.1875 | Square End | 34 | $23.18 | | |
| 121555 | Stub | 0.312 | 0.25 | Square End | 22 | $29.38 | | |
| 120434 | Stub | 0.5 | 0.25 | Square End | 83 | $32.03 | | |
| 120435 | Stub | 0.5 | 0.3125 | Square End | 5 | $35.96 | | |
| 120436 | Stub | 0.625 | 0.375 | Square End | 5 | $47.00 | | |
| 120437 | Stub | 0.625 | 0.5 | Square End | 28 | $63.25 | | |
| 120438 | Stub | 0.75 | 0.625 | Square End | 5 | $98.05 | | |
| 120439 | Stub | 0.875 | 0.75 | Square End | 1 | $125.47 | | |
| 120440 | Stub | 1 | 1 | Square End | 0 | $240.69 | | |
| 119342 | Standard | 0.5 | 0.125 | Square End | 149 | $21.94 | | |
| 119343 | Standard | 0.625 | 0.1875 | Square End | 9 | $27.89 | | |
| 119344 | Standard | 0.75 | 0.25 | Square End | 184 | $36.32 | | |
| 119345 | Standard | 0.812 | 0.3125 | Square End | 41 | $41.23 | | |
| 119346 | Standard | 0.875 | 0.375 | Square End | 53 | $51.98 | | |
| 119347 | Standard | 1 | 0.5 | Square End | 11 | $75.49 | | |
| 121515 | Standard | 1.25 | 0.5 | Square End | 7 | $78.43 | | |
| 121516 | Standard | 1 | 0.5 | R.02 Corner Radius | 16 | $79.25 | | |
| 122282 | Standard | 1.5 | 0.5 | Square End | 20 | $81.29 | | |
| 119348 | Standard | 1.25 | 0.625 | Square End | 38 | $112.00 | | |
| 119349 | Standard | 1.5 | 0.75 | Square End | 16 | $159.36 | | |
| 119350 | Standard | 1.5 | 1 | Square End | 19 | $248.65 | | |
| 120151 | Long | 0.75 | 0.1875 | Square End | 30 | $29.83 | | |
| 120152 | Long | 1.125 | 0.25 | Square End | 31 | $48.12 | | |
| 120153 | Long | 1.125 | 0.3125 | Square End | 0 | $47.09 | | |
| 120154 | Long | 1.125 | 0.375 | Square End | 5 | $58.03 | | |
| 121517 | Long | 1.75 | 0.5 | Square End | 21 | $98.60 | | |
| 120155 | Long | 2 | 0.5 | Square End | 14 | $101.47 | | |
| 120156 | Long | 2.25 | 0.625 | Square End | 9 | $170.56 | | |
| 119722 | Long | 2.25 | 0.75 | Square End | 10 | $202.74 | | |
| 120158 | Long | 2.25 | 1 | Square End | 7 | $339.07 | | |
| 122483 | Stub | 0.437 | 0.375 | Square End | 16 | $44.87 | | |
| 120542 | Stub | 0.25 | 0.125 | R.005 Corner Radius | 6 | $20.85 | | |
| 121556 | Stub | 0.25 | 0.125 | R.015 Corner Radius | 35 | $23.96 | | |
| 121557 | Stub | 0.25 | 0.125 | R.03 Corner Radius | 38 | $24.83 | | |
| 120543 | Stub | 0.312 | 0.1875 | R.005 Corner Radius | 13 | $27.74 | | |
| 121558 | Stub | 0.312 | 0.1875 | R.015 Corner Radius | 3 | $29.96 | | |
| 121559 | Stub | 0.312 | 0.1875 | R.03 Corner Radius | 17 | $31.12 | | |
| 121560 | Stub | 0.312 | 0.25 | R.005 Corner Radius | 9 | $34.29 | | |
| 121565 | Stub | 0.5 | 0.25 | R.005 Corner Radius | 0 | $36.83 | | |
| 121561 | Stub | 0.312 | 0.25 | R.01 Corner Radius | 30 | $34.25 | | |
| 120544 | Stub | 0.5 | 0.25 | R.01 Corner Radius | 30 | $36.76 | | |
| 121562 | Stub | 0.312 | 0.25 | R.015 Corner Radius | 28 | $34.18 | | |
| 121566 | Stub | 0.5 | 0.25 | R.015 Corner Radius | 2 | $36.67 | | |
| 121563 | Stub | 0.312 | 0.25 | R.03 Corner Radius | 28 | $36.72 | | |
| 121567 | Stub | 0.5 | 0.25 | R.03 Corner Radius | 7 | $39.45 | | |
| 121564 | Stub | 0.312 | 0.25 | R.06 Corner Radius | 28 | $38.34 | | |
| 121568 | Stub | 0.5 | 0.25 | R.06 Corner Radius | 3 | $41.03 | | |
| 120545 | Stub | 0.5 | 0.3125 | R.01 Corner Radius | 10 | $41.09 | | |
| 121572 | Stub | 0.4375 | 0.375 | R.015 Corner Radius | 8 | $50.54 | | |
| 121569 | Stub | 0.5 | 0.3125 | R.015 Corner Radius | 7 | $41.07 | | |
| 121573 | Stub | 0.4375 | 0.375 | R.03 Corner Radius | 8 | $53.69 | | |
| 121570 | Stub | 0.5 | 0.3125 | R.03 Corner Radius | 10 | $44.07 | | |
| 121574 | Stub | 0.4375 | 0.375 | R.06 Corner Radius | 8 | $56.25 | | |
| 121571 | Stub | 0.5 | 0.3125 | R.06 Corner Radius | 10 | $46.05 | | |
| 120546 | Stub | 0.625 | 0.375 | R.015 Corner Radius | 4 | $52.65 | | |
| 121575 | Stub | 0.625 | 0.375 | R.03 Corner Radius | 6 | $56.09 | | |
| 121576 | Stub | 0.625 | 0.375 | R.06 Corner Radius | 8 | $58.36 | | |
| 120547 | Stub | 0.625 | 0.5 | R.015 Corner Radius | 26 | $66.94 | | |
| 120551 | Stub | 0.625 | 0.5 | R.03 Corner Radius | 2 | $66.76 | | |
| 121577 | Stub | 0.625 | 0.5 | R.06 Corner Radius | 19 | $70.20 | | |
| 121578 | Stub | 0.625 | 0.5 | R.09 Corner Radius | 3 | $73.89 | | |
| 121579 | Stub | 0.625 | 0.5 | R.12 Corner Radius | 5 | $73.78 | | |
| 121580 | Stub | 0.75 | 0.625 | R.015 Corner Radius | 3 | $101.65 | | |
| 120548 | Stub | 0.75 | 0.625 | R.02 Corner Radius | 5 | $101.58 | | |
| 121581 | Stub | 0.75 | 0.625 | R.03 Corner Radius | 0 | $101.47 | | |
| 121582 | Stub | 0.75 | 0.625 | R.06 Corner Radius | 4 | $105.98 | | |
| 121583 | Stub | 0.75 | 0.625 | R.09 Corner Radius | 4 | $105.40 | | |
| 121584 | Stub | 0.75 | 0.625 | R.12 Corner Radius | 5 | $110.47 | | |
| 121585 | Stub | 0.875 | 0.75 | R.015 Corner Radius | 0 | $129.65 | | |
| 120486 | Stub | 0.875 | 0.75 | R.03 Corner Radius | 0 | $129.38 | | |
| 121586 | Stub | 0.875 | 0.75 | R.06 Corner Radius | 5 | $134.52 | | |
| 121587 | Stub | 0.875 | 0.75 | R.09 Corner Radius | 5 | $134.00 | | |
| 121588 | Stub | 0.875 | 0.75 | R.12 Corner Radius | 3 | $139.23 | | |
| 121589 | Stub | 1 | 1 | R.015 Corner Radius | 3 | $243.89 | | |
| 120549 | Stub | 1 | 1 | R.03 Corner Radius | 1 | $243.58 | | |
| 121590 | Stub | 1 | 1 | R.06 Corner Radius | 3 | $243.00 | | |
| 121591 | Stub | 1 | 1 | R.09 Corner Radius | 2 | $253.65 | | |
| 121592 | Stub | 1 | 1 | R.12 Corner Radius | 3 | $252.52 | | |
| 119333 | Standard | 0.5 | 0.125 | R.005 Corner Radius | 36 | $26.14 | | |
| 121425 | Standard | 0.5 | 0.125 | R.015 Corner Radius | 6 | $28.03 | | |
| 121426 | Standard | 0.5 | 0.125 | R.03 Corner Radius | 27 | $29.00 | | |
| 119334 | Standard | 0.625 | 0.1875 | R.005 Corner Radius | 53 | $32.38 | | |
| 121427 | Standard | 0.625 | 0.1875 | R.015 Corner Radius | 19 | $34.56 | | |
| 121428 | Standard | 0.625 | 0.1875 | R.03 Corner Radius | 12 | $35.89 | | |
| 121429 | Standard | 0.75 | 0.25 | R.005 Corner Radius | 17 | $41.05 | | |
| 119335 | Standard | 0.75 | 0.25 | R.01 Corner Radius | 39 | $40.96 | | |
| 121430 | Standard | 0.75 | 0.25 | R.015 Corner Radius | 48 | $40.94 | | |
| 120697 | Standard | 0.75 | 0.25 | R.03 Corner Radius | 14 | $43.47 | | |
| 120473 | Standard | 0.75 | 0.25 | R.06 Corner Radius | 2 | $45.32 | | |
| 119336 | Standard | 0.812 | 0.3125 | R.01 Corner Radius | 0 | $46.34 | | |
| 121432 | Standard | 0.812 | 0.3125 | R.015 Corner Radius | 8 | $46.32 | | |
| 121433 | Standard | 0.812 | 0.3125 | R.03 Corner Radius | 8 | $49.12 | | |
| 121434 | Standard | 0.812 | 0.3125 | R.06 Corner Radius | 9 | $51.36 | | |
| 119315 | Standard | 0.875 | 0.375 | R.01 Corner Radius | 17 | $57.69 | | |
| 119337 | Standard | 0.875 | 0.375 | R.015 Corner Radius | 43 | $57.63 | | |
| 121435 | Standard | 0.875 | 0.375 | R.03 Corner Radius | 4 | $60.85 | | |
| 121488 | Standard | 0.875 | 0.375 | R.06 Corner Radius | 51 | $63.05 | | |
| 121515 | Long | 1.25 | 0.5 | Square End | In Stock | $75.59 | | |
| 119338 | Standard | 1 | 0.5 | R.015 Corner Radius | 79 | $79.34 | | |
| 121491 | Standard | 1.25 | 0.5 | R.015 Corner Radius | 0 | $82.20 | | |
| 121496 | Standard | 1.5 | 0.5 | R.015 Corner Radius | 8 | $85.12 | | |
| 119546 | Standard | 1 | 0.5 | R.03 Corner Radius | 31 | $79.12 | | |
| 121492 | Standard | 1.25 | 0.5 | R.03 Corner Radius | 72 | $82.00 | | |
| 121497 | Standard | 1.5 | 0.5 | R.03 Corner Radius | 209 | $84.92 | | |
| 120076 | Standard | 1 | 0.5 | R.06 Corner Radius | 1 | $82.69 | |