Chamfering Tools | McMaster-Carr

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Countersink Angle

For Use On

Heat-Resistant Super Alloy

System of Measurement

Body Diameter

Number of Flutes

Shank Diameter

Material

Polycrystalline Diamond

Screw Size

Hole Diameter

Shank Type

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Anodized

Black Oxide

Diamondlike Carbon (DLC) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Aluminum Oxygen Nitride (TiAlON) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Sold As

Overall Length

Countersink Type

Shank Material

Insert Shape

Cutting Angle

For Cutting

Number of Countersinking Ends

REACH

Compliant

Not Compliant

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

Drill Bit Size

RoHS

Length

Export Control Classification Number (ECCN)

2B998

EAR99

DFARS Specialty Metals

Exempt

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4,046 Products

Countersinks

For Cutting Screw Holes

Countersinks for Screws

Cut a cone-shaped opening in a hole to install your flat-head screw flush with the surface

522 products

Countersink Hand Tools

Countersink, chamfer, and deburr in a single pass

6 products

Fluteless Smooth-Finish Countersinks for Screws

The hollow body minimizes vibration while lifting chips out of the hole for a smooth, accurate finish

23 products

Smooth-Finish Countersinks for Screws

Make smooth, uniform cuts without stopping to clear chips

18 products

Precise-Cutting Countersinks for Screws

Cut to ultratight tolerances when accuracy is critical

24 products

Countersinks with Two Countersinking Ends for Screws

When one end starts to wear, flip the tool around for a fresh cutting edge

45 products

Carbide-Insert Countersinks for Screws

Replace dull blades to countersink hundreds of holes with the same tool

15 products

Drill-Point Countersinks for Screws

Drill and countersink a pilot hole without changing tools

35 products

Drill-Point Countersinks with Two Countersinking Ends for Screws

When one end starts to wear, flip the tool around for a fresh cutting edge

15 products

Countersink Sets for Screws

Cut cone-shaped recesses for a range of screw-head diameters

34 products

Hex-Bit Countersinks for Screws

Pop into tools that accept 1/4" hex bits for a secure hold and stable cut

6 products

Hex-Bit Countersink Sets for Screws

Pop into tools that accept 1/4" hex bits for a secure hold and stable cut

1 product

Long-Reach Countersinks for Screws

Cut from around twice the distance of our standard countersinks

18 products

Drill-Point Countersink Sets for Screws

Drill and countersink pilot holes for a range of screw sizes

1 product

Fluteless Smooth-Finish Countersink Sets for Screws

The hollow body minimizes vibration while lifting chips out of the hole for a smooth, accurate finish

2 products

Fluteless Smooth-Finish Countersinks with Pilot for Screws

The pilot guides the cutting edge straight into the hole for an accurate cut on the first try

5 products

Drill-Bit Countersinks for Wood and Plastic

Drill and countersink holes of different depths without changing tools

63 products

Fluteless Smooth-Finish Countersink Sets with Pilot for Screws

The pilot guides the cutting edge straight into the hole for an accurate cut on the first try

1 product

Fluteless Smooth-Finish Countersinks with Two Countersinking Ends for Screws

When one end starts to wear, flip the tool around for a fresh cutting edge

4 products

Reverse Countersinks for Screws

If an obstruction blocks the hole, countersink from the reverse side instead

14 products

Quick-Change Hex Drill-Bit Countersinks for Wood and Plastic

Pop into a hand-driven tool to drill and countersink a hole in a single step

10 products

Smooth-Finish Countersink Sets for Screws

Make smooth, uniform cuts without stopping to clear chips

2 products

Two-Piece Long-Reach Countersinks for Screws

Create a custom-length countersink for access to hard-to-reach holes

7 products

Drill-Bit Countersink Sets for Wood and Plastic

Drill and countersink holes of different depths without changing tools

4 products

For Cutting Lathe Center Holes

Countersinks for Lathe Centers

Cut a profiled recess to keep your workpiece aligned as it spins

256 products

Countersinks with Two Countersinking Ends for Lathe Centers

When one end starts to wear, flip the tool around for a fresh cutting edge

16 products

Drill-Point Countersinks with Two Countersinking Ends for Lathe Centers

When one end starts to wear, flip the tool around for a fresh cutting edge

7 products

Smooth-Finish Countersink Sets for Lathe Centers

Make smooth, uniform cuts without stopping to clear chips

1 product

Smooth-Finish Countersinks for Lathe Centers

Make smooth, uniform cuts without stopping to clear chips

9 products

Fluteless Smooth-Finish Countersink Sets for Lathe Centers

The hollow body minimizes vibration while lifting chips out of the hole for a smooth, accurate finish

1 product

Precise-Cutting Countersinks for Lathe Centers

Cut to ultratight tolerances when accuracy is critical

12 products

Drill-Point Countersinks for Lathe Centers

Create a lathe center hole without drilling a starter hole first

10 products

Carbide-Insert Countersinks for Lathe Centers

Replace dull blades to countersink hundreds of holes with the same tool

12 products

Fluteless Smooth-Finish Countersinks for Lathe Centers

The hollow body minimizes vibration while lifting chips out of the hole for a smooth, accurate finish

9 products

Fluteless Smooth-Finish Countersinks with Two Countersinking Ends for Lathe Centers

When one end starts to wear, flip the tool around for a fresh cutting edge

2 products

Countersink Sets for Lathe Centers

Cut recesses for a range of lathe-center diameters to align workpieces as they spin

15 products

For Cutting Rivet Holes

Countersinks for Rivets

Cut a cone-shaped opening in a hole to install your rivet flush with the surface

347 products

Smooth-Finish Countersinks for Rivets

Make smooth, uniform cuts without stopping to clear chips

18 products

Drill-Point Countersinks for Rivets

Drill and countersink a pilot hole without changing tools

19 products

Drill-Point Countersinks with Two Countersinking Ends for Rivets

When one end starts to wear, flip the tool around for a fresh cutting edge

13 products

Countersinks with Two Countersinking Ends for Rivets

When one end starts to wear, flip the tool around for a fresh cutting edge

28 products

Fluteless Smooth-Finish Countersinks with Two Countersinking Ends for Rivets

When one end starts to wear, flip the tool around for a fresh cutting edge

1 product

Fluteless Smooth-Finish Countersink Sets for Rivets

The hollow body minimizes vibration while lifting chips out of the hole for a smooth, accurate finish

1 product

Precise-Cutting Countersinks for Rivets

Cut to ultratight tolerances when accuracy is critical

12 products

Fluteless Smooth-Finish Countersinks for Rivets

The hollow body minimizes vibration while lifting chips out of the hole for a smooth, accurate finish

4 products

Reverse Countersinks for Rivets

If an obstruction blocks the hole, countersink from the reverse side instead

14 products

Two-Piece Long-Reach Countersinks for Rivets

Create a custom-length countersink for access to hard-to-reach holes

5 products

Smooth-Finish Countersink Sets for Rivets

Make smooth, uniform cuts without stopping to clear chips

2 products

Carbide-Insert Countersinks for Rivets

Replace dull blades to countersink hundreds of holes with the same tool

12 products

Countersink Sets for Rivets

Cut cone-shaped recesses for a range of rivet-head diameters

17 products

Other Products

End Mills

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

350 products

Bevelers

Create smooth, beveled edges on flat plates or plastic pipe and tubing

14 products

Center Drills

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

358 products

Countersink Drill Bits

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

17 products

Deburring Tools

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

179 products

Lathe Tools

Shape workpieces as they rotate on a lathe

228 products

End Mill Insert Holders

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

25 products

Lathe Tool Inserts

Pair with lathes to add cuts and grooves to workpieces

1,210 products

Countersink Extensions

Lengthen the reach of threaded-shank countersinks

3 products

Lathes

Turn, knurl, thread, mill, and drill workpieces

8 products

Beveler Adapters

Pair with cordless grinders to bevel smooth edges on plastic pipe and tubing

5 products

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

6 products