Cobalt Steel Cutters | McMaster-Carr

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Aluminum Titanium Nitride (AlTiN) Coated

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3,468 Products

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End Mills

Dovetail End Mills

Cobalt Steel Dovetail End Mills

Run faster with less wear than high-speed steel end mills when cutting hard material

10 products

Keyseat End Mills

Cobalt Steel Keyseat End Mills

Run faster with less wear than high-speed steel end mills when cutting hard material

22 products

Cobalt Steel Square End Mills

Run faster with less wear than high-speed steel end mills when cutting hard material

122 products

Roughing Cobalt Steel Square End Mills

Serrations along the cutting edge remove large amounts of material at high speeds

97 products

Cobalt Steel Square End Mills with Two Milling Ends

When one end wears out, switch to the other for twice the life of standard cobalt steel end mills

79 products

Roughing Cobalt Steel Square End Mills for Aluminum, Brass, and Bronze

Remove and clear large amounts of soft material at high speeds

10 products

Tapered End Mills

Cobalt Steel Tapered Square End Mills

Run faster with less wear than high-speed steel end mills when cutting hard material

160 products

Drill/Mill End Mills

Cobalt Steel Drill/Mill End Mills

Drill, chamfer, and cut slots in hard material at high speeds

22 products

Corner-Rounding End Mills

Cobalt Steel Corner-Rounding End Mills

Run faster with less wear than high-speed steel end mills when cutting hard material

18 products

Ball End Mills

Cobalt Steel Ball End Mills

Run faster with less wear than high-speed steel end mills when cutting hard material

32 products

Roughing Cobalt Steel Ball End Mills

Serrations along the cutting edge remove large amounts of material at high speeds

14 products

Cobalt Steel Ball End Mills with Two Milling Ends

When one end wears out, switch to the other for twice the life of standard cobalt steel end mills

39 products

Cobalt Steel Rounded-Edge Square End Mills

Good heat and wear resistance for milling hard material at high speeds

27 products

Other Products

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

1,657 products

Hollow-Core Cutters

Cut burr-free holes by only cutting the outside edge of a hole

47 products

Hollow-Core Cutter Arbor Adapters

Modify hollow-core cutters to fit larger arbors on drill presses and milling machines

3 products

Countersinks

Cut a cone-shaped opening in a hole to install flat-head screws and rivets flush with the surface

323 products

Face Mills

Flatten and smooth the surface of wide workpieces in high-speed, high-volume applications

96 products

Reamers

Finish holes to an exact size, correct misaligned holes, and remove burrs

315 products

Taps

Cut internal threads for fasteners, pipe, conduit, and more

276 products

Center Drills

Drill cone-shaped openings to mate with lathe centers or start pilot holes for screws

50 products

Deburring Blades

Scrape burs from flat surfaces and the edges of holes, sheets, and pipe using a changeable-blade tool

5 products

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

1 product

Counterbores

Enlarge the top of a hole to install socket and hex head screws flush with the surface

8 products

Deburring Tools

Changeable or fixed cutting blades shave rough edges from surfaces, holes, and pipe

41 products