Round Cutters | McMaster-Carr

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Aluminum Chromium Nitride (AlCrN) Coated

Aluminum Non-Ferrous (ANF) Coated

Aluminum Titanium Nitride (AlTiN) Coated

Diamondlike Carbon (DLC) Coated

Gold Oxide

Powder Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Aluminum Silicon Nitride (TiAlSiN) Coated

Titanium Carbide (TiC) Coated

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Titanium Coated

Titanium Diboride (TiB₂) Coated

Titanium Nitride (TiN) Coated

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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DFARS Specialty Metals

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Tip Style

Blade Shape

Tip Shape

Blade Type

23,147 Products

Fabricating and Machining

End Mills

Cut and shape material to create precise slots, grooves, and profiles

7,689 products

End Mill Insert Holders

Pair with inserts to create end mills that have a replaceable cutting edge

74 products

Fly Cutters

Machine wide cuts on flat surfaces and leave a smoother finish than face mills

20 products

Router Bits

Attach to routers and CNC machines to cut grooves, chamfers, and other detailed shapes

545 products

Drill Bits

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

6,683 products

Magnetic-Base Drills

Pair with hollow-core cutters to form burr-free holes by only cutting the outside edge of a hole

2 products

Plug Cutters

Form wood plugs to conceal fastener heads in counterbored holes

8 products

Reamer Drill Bits

Drill and finish holes in one pass

48 products

Counterbore Drill Bits

A single bit drills and creates a flat surface for the head of a socket head cap screw

23 products

Countersink Drill Bits

A single bit drills and creates an angled surface so oval and flat screw heads sit flush

17 products

Burs

Cut excess material to smooth surfaces and holes using a rotary power tool like a die grinder

576 products

Deburring Tools

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

5 products

Deburring Bits

Remove sharp points from straight edges, holes, and pipe with a bit screwdriver

3 products

Countersinks

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

1,580 products

Countersink Extensions

Lengthen the reach of threaded-shank countersinks

3 products

Counterbores

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

370 products

Counterbore Insert Holders

Pair with inserts to create flat-bottom holes

14 products

Center Drills

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

358 products

Countersunk Hole Repair Tools

Lightly shear off material to repair and clean out holes for machining between centers

6 products

Lathe Tools

Shape workpieces as they rotate on a lathe

375 products

Lathe Tool Blanks

Machine custom lathe tool bits

2 products

Lathe Tool Holders

Secure tools to lathe posts

16 products

Lathe Tool Insert Holders

Secure inserts within lathes to add cuts and grooves to workpieces

100 products

Thread Mills

Install in a CNC machine to cut a range of internal and external threads with a single tool

29 products

Tap and Die Sets

Cut and repair internal and external threads in many sizes

1 product

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

14 products

Dies

Cut or restore external threads on fasteners, pipe, or conduit

478 products

Taps

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

11 products

Chisel Bits

Pair with powered hammers or needle scalers to chip material off of workpieces

54 products

Chisels

Chip and trim material off of metal, wood, and masonry

5 products

Air Hammers

Chisel, cut, chip, scrape, and stake material more quickly than manual chisels

97 products

Demolition Hammers

Break through pavement, asphalt, and concrete walls and floors

15 products

Hole Punches

Punch holes in metal, plastic, and fabric

383 products

Broaches

Install in an arbor press, milling machine, or CNC machine to cut shapes into existing holes

79 products

Utility Knives

Make quick, shallow cuts; often used to open boxes and packages

21 products

Fabric Cutters

Precisely cut fabric such as burlap, nylon, and Kevlar

3 products

Reamers

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

2,763 products

Rotary Tool Cutting Bits

Pair with rotary tools to cut holes, slots, and shapes in workpieces

2 products

Hollow-Core Cutter Arbor Adapters

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

3 products

Milling Machine Tool Holders

Connect boring bars and other cutting tools to milling machines

12 products

Lathe Tool Holder Bushings

Increase the diameter of drill bits and other shank-style cutting tools to fit CNC lathe tool blocks

19 products

Oscillating Tool Blades

Replace the blade on your oscillating tool

2 products

Fastening and Joining

Fabric Fastener Installation Tools

Install fabric snaps and grommets

10 products

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

10 products