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Countersinks Deburring Tools

Products7
BrandWeldon
Quick answer

Weldon 60° deburring tools that take the burr off a drilled hole. Each covers a range of hole sizes, from 3/32" at the small end up to 1-3/32".

7 results

Choosing a deburring tool

Drilling leaves a raised burr on the exit side and a sharp edge at the entrance. A deburring tool takes both off in a second or two, which saves cut fingers and helps parts and fasteners seat properly. These seven Weldon tools have a 60° cutting angle.

Each tool covers a range of hole diameters, so one tool handles several drill sizes. Ranges run from 3/32" through 11/64" at the small end to 11/16" through 1-3/32" at the large end. Pick the tool whose range brackets your hole.

Using them

Run at low speed with very light pressure, and stop as soon as the edge is broken. Too much pressure, or too long, leaves a visible chamfer. Use cutting oil on steel. If you need a deeper cone for a screw head, see the 82° countersinks, which also list some 90° deburring tools.

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Small drilled holes3/32" to 15/64" ranges Two tools, covering 3/32" through 11/64" and 1/8" through 15/64".
Mid-size holes3/16" to 25/32" ranges Tools for 3/16" through 13/32", 5/16" through 17/32" and 7/16" through 25/32".
Larger holes11/16" through 1-3/32" The largest 60° tool in the group covers 11/16" through 1-3/32".
A wider, 90° chamfer90° deburring tools Listed with the 82° countersinks, in ranges from 1/64" up to 3".See the range →

Common questions

What does a deburring tool do that a countersink does not?

It breaks the edge lightly and quickly. A countersink cuts deep enough to seat a screw head. Use a deburring tool for clean, safe edges and a countersink when the fastener needs a recess.

How do I know which tool fits my hole?

Each title gives a hole range, for example 3/16" thru 13/32". Choose the tool where your hole falls inside that range. Ranges overlap a little, so you can pick the nearer centre.

Should I pick 60° or 90°?

At the same depth, a 60° tool cuts a narrower chamfer than a 90° tool. The 90° deburring tools are listed with the 82° countersinks if you want a wider edge break.

Know-how for Countersinks Deburring Tools

All guides →
Drill press cutting into steel with smoke rising from the hot bit Drill Speed Chart: The Right RPM, and Why Heat Kills Bits12 min read Twist drill bit above a freshly drilled hole with wood shavings Types of Drill Bits Explained: Which Bit for Which Material13 min read

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