► Sutton Tools | Endmills Roughing Cobalt

Cobalt Roughers Built for Tough Metal Removal When the job calls for serious stock removal, Sutton Tools’ Cobalt Roughing Endmills get it done fast. Designed for heavy-duty machining, these cutters bite through alloy, stainless & structural steel with controlled aggression. Made from HSS-Co8 (High-Speed Steel with 8% Cobalt), each endmill...

Cobalt Roughers Built for Tough Metal Removal

When the job calls for serious stock removal, Sutton Tools’ Cobalt Roughing Endmills get it done fast. Designed for heavy-duty machining, these cutters bite through alloy, stainless & structural steel with controlled aggression. Made from HSS-Co8 (High-Speed Steel with 8% Cobalt), each endmill delivers heat resistance, strength & extended wear life for demanding trade environments.

The roughing profile produces coarse chips that clear easily, reducing load & preventing chatter during deep cuts. Whether you’re machining frames, tool steel or large components, these endmills deliver consistent surface quality & dimensional control. Many machinists pair them with Tool Holders & Collets for rigid setup stability or use Cutting Fluids & Coolants to maximize tool life under high feed rates. For prepping material & hole entry, Drill Accessories ensure clean starts, while Same-Day Dispatch from Industrial Shed keeps your workflow running on time.

Professionals who value repeat accuracy also rely on Measuring & Inspection Tools to confirm dimensions after every roughing pass.

What’s in This Collection:

► E/Mill E142 12 mm Regular 4 Flute R30 NR JIS HSS-Co8
‣ General-purpose rougher offering smooth chip flow & strong edge retention.

► E/Mill E205 25 mm Long 5 Flute R30 NF DIN844L-B HSS-Co8
‣ Long-reach cobalt rougher built for deep cavity milling & structural work.

► E/Mill E205 20 mm Long 4 Flute R30 NF DIN844L-B HSS-Co8
‣ High-performance cutter for extended slotting & contouring.

► E/Mill E205 18 mm Long 4 Flute R30 NF DIN844L-B HSS-Co8
‣ Durable long-series endmill for medium-depth roughing in steel & cast materials.

► E/Mill E201 30 mm Regular 6 Flute R30 NF DIN844K-B HSS-Co8
‣ Multi-flute rougher offering smoother feed at higher metal removal rates.

► E/Mill E201 16 mm Regular 4 Flute R30 NF DIN844K-B HSS-Co8
‣ Versatile cobalt endmill for toolroom & production use.

► E/Mill E201 6 mm Regular 3 Flute R30 NF DIN844K-B HSS-Co8
‣ Compact cutter ideal for precision cavity roughing & light fabrication.

► E/Mill E201 12 mm Regular 4 Flute R30 NF DIN844K-B HSS-Co8
‣ Shop-standard endmill providing clean roughing in various steels.

► E/Mill E144 25 mm Regular 5 Flute R30 NR JIS HSS-Co8
‣ Balanced 5-flute design for reduced vibration & consistent chip evacuation.

 

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  • Sutton Tools - 30mm Long E/Mill E205 6 Flute R30 Nf DIN844L-B HSS-Co.8 | E2053000
    Sutton Tools - 30mm Long E/Mill E205 6 Flute R30 Nf DIN844L-B HSS-Co.8 | E2053000
    Sutton Tools - 30mm Long E/Mill E205 6 Flute R30 Nf DIN844L-B HSS-Co.8 | E2053000This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $419.18
    $661.99
    $419.18
  • Sutton Tools - 25mm Long E/Mill E205 5 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052500
    Sutton Tools - 25mm Long E/Mill E205 5 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052500
    Sutton Tools - 25mm Long E/Mill E205 5 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052500This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $315.71
    $498.59
    $315.71
  • Sutton Tools - 22mm Long E/Mill E205 5 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052200
    Sutton Tools - 22mm Long E/Mill E205 5 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052200
    Sutton Tools - 22mm Long E/Mill E205 5 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052200This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $269.14
    $425.04
    $269.14
  • Sutton Tools - 20mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052000
    Sutton Tools - 20mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052000
    Sutton Tools - 20mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2052000This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $179.64
    $277.04
    $179.64
  • Sutton Tools - 18mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051800
    Sutton Tools - 18mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051800
    Sutton Tools - 18mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051800This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $148.82
    $235.03
    $148.82
  • Sutton Tools - 16mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051600
    Sutton Tools - 16mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051600
    Sutton Tools - 16mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051600This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $135.15
    $213.43
    $135.15
  • Sutton Tools - 14mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051400
    Sutton Tools - 14mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051400
    Sutton Tools - 14mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051400This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $130.05
    $205.38
    $130.05
  • Sutton Tools - 12mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051200
    Sutton Tools - 12mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051200
    Sutton Tools - 12mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051200This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $102.64
    $162.10
    $102.64
  • Sutton Tools - 10mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051000
    Sutton Tools - 10mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051000
    Sutton Tools - 10mm Long E/Mill E205 4 Flute R30 Nf DIN844L-B HSS-Co.8 | E2051000This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $85.97
    $135.76
    $85.97
  • Sutton Tools - 30mm E/Mill E201 Reg. 6 Flute R30 Nf DIN844K-B HSS-Co.8 | E2013000
    Sutton Tools - 30mm E/Mill E201 Reg. 6 Flute R30 Nf DIN844K-B HSS-Co.8 | E2013000
    Sutton Tools - 30mm E/Mill E201 Reg. 6 Flute R30 Nf DIN844K-B HSS-Co.8 | E2013000This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $364.50
    $575.64
    $364.50
  • Sutton Tools - 25mm E/Mill E201 Reg. 5 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012500
    Sutton Tools - 25mm E/Mill E201 Reg. 5 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012500
    Sutton Tools - 25mm E/Mill E201 Reg. 5 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012500This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $274.52
    $433.55
    $274.52
  • Sutton Tools - 22mm E/Mill E201 Reg. 5 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012200
    Sutton Tools - 22mm E/Mill E201 Reg. 5 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012200
    Sutton Tools - 22mm E/Mill E201 Reg. 5 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012200This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $232.92
    $367.83
    $232.92
  • Sutton Tools - 20mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012000
    Sutton Tools - 20mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012000
    Sutton Tools - 20mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2012000This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $152.52
    $240.88
    $152.52
  • Sutton Tools - 18mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011800
    Sutton Tools - 18mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011800
    Sutton Tools - 18mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011800This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $129.41
    $204.39
    $129.41
  • Sutton Tools - 16mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011600
    Sutton Tools - 16mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011600
    Sutton Tools - 16mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011600This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $117.50
    $185.57
    $117.50
  • Sutton Tools - 14mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011400
    Sutton Tools - 14mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011400
    Sutton Tools - 14mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011400This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $113.08
    $178.59
    $113.08
  • Sutton Tools - 12mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011200
    Sutton Tools - 12mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011200
    Sutton Tools - 12mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011200This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $89.26
    $140.96
    $89.26
  • Sutton Tools - 10mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011000
    Sutton Tools - 10mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011000
    Sutton Tools - 10mm E/Mill E201 Reg. 4 Flute R30 Nf DIN844K-B HSS-Co.8 | E2011000This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $76.52
    $118.01
    $76.52
  • Sutton Tools - 8mm E/Mill E201 Reg. 3 Flute R30 Nf DIN844K-B HSS-Co.8 | E2010800
    Sutton Tools - 8mm E/Mill E201 Reg. 3 Flute R30 Nf DIN844K-B HSS-Co.8 | E2010800
    Sutton Tools - 8mm E/Mill E201 Reg. 3 Flute R30 Nf DIN844K-B HSS-Co.8 | E2010800This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $70.05
    $108.03
    $70.05
  • Sutton Tools - 6mm E/Mill E201 Reg. 3 Flute R30 Nf DIN844K-B HSS-Co.8 | E2010600
    Sutton Tools - 6mm E/Mill E201 Reg. 3 Flute R30 Nf DIN844K-B HSS-Co.8 | E2010600
    Sutton Tools - 6mm E/Mill E201 Reg. 3 Flute R30 Nf DIN844K-B HSS-Co.8 | E2010600This Sutton cobalt drill bit is made from cobalt-alloyed HSS for superior heat and wear resistance — built to drill hard, abrasive materials like stainless steel where standard HSS would...
    $74.41
    $117.52
    $74.41

Made for Machinists Who Push Hard & Cut Clean

Every Sutton Cobalt Rougher is precision-ground for efficient chip breaking & balanced performance under heavy load. The unique flute geometry reduces chatter, allowing deeper cuts with consistent finish quality. For fabrication workflows, pair these with Cutting & Grinding Tools to prep edges between milling stages or Tool Storage & Workbenches to keep your cutters protected & organized.

Professionals who maintain strict tolerances often verify dimensions using Measuring & Inspection Tools before moving to finishing passes. To extend service life, Industrial Shed’s Tool & Equipment Care Services cover re-grinding & re-coating for long-term cost efficiency.

With Sutton’s HSS-Co8 build & DIN-standard accuracy, you get a roughing tool that withstands high heat, maintains cutting integrity & performs shift after shift without compromise.

► Same-day dispatch on stocked Sutton Tools products
► Bulk trade supply & competitive account pricing
► Expert local advice from our Mornington Peninsula team
► Australia-wide delivery backed by reliable freight partners

Frequently Asked Questions

They’re designed for aggressive stock removal in steel, stainless & hard alloys before finishing passes.

Cobalt increases heat resistance, allowing higher cutting speeds & longer tool life.

Yes. Sutton’s roughing cobalt endmills are engineered for stability & chip control in CNC or manual setups.

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