4 & 6 Flute HD

4 & 6 Flute HD

Atlas HSS 4 Flute End Mill HD

HSS End Mill - 4 Flute HD - 30° Helix

  • Offered in stub, regular, long, and
    extra long length styles 
  • TiN coating is used in applications with lower cutting speeds than TiCN and ALTiN but often improves the tool’s lifetime by a factor of three or more. Typically used for in wide range of materials including iron based, hardened steels, and stainless steels.
  • Made in the USA
  • TiCN coating is a general purpose coating that offers improved wear resistance to abrasive, adhesive, or difficult to machine materials such as cast iron, aluminum alloys, steels, copper and more. 
  • ALTIN is a high performance coating for milling, tapping and drilling in stainless steels, carbon steels, alloy steels, titanium and cast iron. This coating is extremely heat resistant and can be used with or without coolant. 

Speeds and Feed Info

Have a question or need help?

Call Customer Service at 908-98-ATLAS or email: Sales@atlascuttingtools.com
  • Compare SKU Vendor Size (D1) Shank Diameter (D2) Flute Length (L2) Reach (L3) Overall Length (L1) Length Type Corner Radius (R) Included Angle Taper Angle Helix Angle Number of Flutes Weldon Flats Flats Coating In Stock Price Quantity
    A61376 HTC Tool 3 2-1/2 4 7-5/8 30° 8 TiN Available to Order*
    $415.00
  • A61380 HTC Tool 3 2-1/2 5 8-5/8 30° 8 TiN Available to Order*
    $486.45
  • A61384 HTC Tool 3 2-1/2 6 9-5/8 30° 8 TiN Available to Order*
    $539.05
  • A61388 HTC Tool 3 2-1/2 8 11-5/8 30° 8 TiN Available to Order*
    $663.14
  • A61392 HTC Tool 3 2-1/2 4 7-5/8 30° 6 TiN Available to Order*
    $424.75
  • A61396 HTC Tool 3 2-1/2 5 8-5/8 30° 6 TiN Available to Order*
    $479.86
  • A61400 HTC Tool 3 2-1/2 6 9-5/8 30° 6 TiN Available to Order*
    $551.26
  • A61404 HTC Tool 3 2-1/2 8 11-5/8 30° 6 TiN Available to Order*
    $677.42
  • A61366 HTC Tool 3 2-1/2 10 13-5/8 30° 8 TiCN Available to Order*
    $907.45
  • A61370 HTC Tool 3 2-1/2 12 15 30° 8 TiCN Available to Order*
    $988.51
  • A61374 HTC Tool 3 2-1/2 4 7-5/8 30° 8 TiCN Available to Order*
    $460.36
  • A61378 HTC Tool 3 2-1/2 5 8-5/8 30° 8 TiCN Available to Order*
    $545.31
  • A61382 HTC Tool 3 2-1/2 6 9-5/8 30° 8 TiCN Available to Order*
    $606.48
  • A61386 HTC Tool 3 2-1/2 8 11-5/8 30° 8 TiCN Available to Order*
    $748.95
  • A61390 HTC Tool 3 2-1/2 4 7-5/8 30° 6 TiCN Available to Order*
    $470.12
  • A61394 HTC Tool 3 2-1/2 5 8-5/8 30° 6 TiCN Available to Order*
    $538.70
  • A61398 HTC Tool 3 2-1/2 6 9-5/8 30° 6 TiCN Available to Order*
    $618.69
  • A61402 HTC Tool 3 2-1/2 8 11-5/8 30° 6 TiCN Available to Order*
    $763.23
  • A61367 HTC Tool 3 2-1/2 10 13-5/8 30° 8 TiALN Available to Order*
    $957.73
  • A61371 HTC Tool 3 2-1/2 12 15 30° 8 TiALN Available to Order*
    $1,047.07
  • A61375 HTC Tool 3 2-1/2 4 7-5/8 30° 8 TiALN Available to Order*
    $483.04
  • A61379 HTC Tool 3 2-1/2 5 8-5/8 30° 8 TiALN Available to Order*
    $574.73
  • A61383 HTC Tool 3 2-1/2 6 9-5/8 30° 8 TiALN Available to Order*
    $640.17
  • A61387 HTC Tool 3 2-1/2 8 11-5/8 30° 8 TiALN Available to Order*
    $791.88
  • A61391 HTC Tool 3 2-1/2 4 7-5/8 30° 6 TiALN Available to Order*
    $492.80
  • A61395 HTC Tool 3 2-1/2 5 8-5/8 30° 6 TiALN Available to Order*
    $568.13
  • A61399 HTC Tool 3 2-1/2 6 9-5/8 30° 6 TiALN Available to Order*
    $652.40
  • A61403 HTC Tool 3 2-1/2 8 11-5/8 30° 6 TiALN Available to Order*
    $806.15
  • A61353 HTC Tool 3 2-1/2 4 7-5/8 30° 6 Uncoated Available to Order*
    $378.08
  • A61357 HTC Tool 3 2-1/2 6 9-5/8 30° 6 Uncoated Available to Order*
    $460.60
  • A61361 HTC Tool 3 2-1/2 8 11-5/8 30° 6 Uncoated Available to Order*
    $549.99
  • A61356 HTC Tool 3 2-1/2 4 7-5/8 30° 6 TiN Available to Order*
    $468.81
  • A61360 HTC Tool 3 2-1/2 6 9-5/8 30° 6 TiN Available to Order*
    $595.47
  • A61364 HTC Tool 3 2-1/2 8 11-5/8 30° 6 TiN Available to Order*
    $721.62
  • A61354 HTC Tool 3 2-1/2 4 7-5/8 30° 6 TiCN Available to Order*
    $514.17
  • A61358 HTC Tool 3 2-1/2 6 9-5/8 30° 6 TiCN Available to Order*
    $662.91
  • A61362 HTC Tool 3 2-1/2 8 11-5/8 30° 6 TiCN Available to Order*
    $807.45
  • A61355 HTC Tool 3 2-1/2 4 7-5/8 30° 6 TiALN Available to Order*
    $536.85
  • A61359 HTC Tool 3 2-1/2 6 9-5/8 30° 6 TiALN Available to Order*
    $696.60
  • A61363 HTC Tool 3 2-1/2 8 11-5/8 30° 6 TiALN Available to Order*
    $850.35

* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.

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