Round Cutters | McMaster-Carr

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20,216 Products

Fabricating and Machining

End Mills

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

Fly Cutters

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

Router Bits

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

Burs

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

Deburring Tools

Deburring Tools

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

Deburring Bits

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

Lathe Tools

Remove material from workpieces as they rotate on a lathe

Thread Mills

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

Tap and Die Kits

Tap and Die Kits

Cut and repair internal and external threads in many sizes

Tap and Drill Bit Kits

Tap and Drill Bit Kits

Drill holes and cut internal threads in a variety of sizes

Dies

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

Taps

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

Countersinks

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

Countersink Extensions

Countersink Extensions

Lengthen the reach of countersink heads

Counterbores

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

Countersunk Hole Repair Tools

Countersunk Hole Repair Tools

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

Drill Bits

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

Plug Cutters

Form wood plugs to conceal fastener heads in counterbored holes

Utility Knives

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

Fabric Cutters

Precisely cut fabric such as burlap, nylon, and Kevlar

Hole Punches

Punch holes in metal, plastic, and fabric

Chisel Bits

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

Chisels

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

Broaches

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

Reamers

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

Hollow-Core Cutter Arbor Adapters

Hollow-Core Cutter Arbor Adapters

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

Milling Machine Tool Holders

Milling Machine Tool Holders

Connect boring bars and other cutting tools to milling machines

Lathe Tool Holder Bushings

Lathe Tool Holder Bushings

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

Rotary Tool Cutting Bits

Rotary Tool Cutting Bits

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

Oscillating Tool Blades

Oscillating Tool Blades

Replace the blade on your oscillating tool

Building and Machinery Hardware

Grommets

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

Fastening and Joining

Fabric Fastener Installation Tools

Fabric Fastener Installation Tools

Install fabric snaps and grommets

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)