This 5-Piece titanium-coated countersink set includes bits in 1/4'', 3/8'', 1/2'', 5/8'' and 3/4'' diameters. Each is ground from alloy steel and coated with titanium to extend the service life up to 6 times that of uncoated products. The edges are hardened for quick cutting in soft metal, wood, rubber and plastic. Countersinks are used to drill a conical depression that allows screw heads to sit flush or recessed below the surface. They are also useful for removing the burr from newly drilled holes to improve the appearance and remove sharp edges.

Features:

Titanium coating for a service life up to 6 times that of uncoated products
Cuts quickly and easily in soft metal, wood, rubber and plastic
Ground from special alloy steel with hardened edges for durability

Mibro 5-Piece Titanium-Coated Countersink Set
(1) 1/4'' countersink
(1) 3/8'' countersink
(1) 1/2'' countersink
(1) 5/8'' countersink
(1) 3/4'' countersink

More Information
Manufacturer Part Number	589201
Weight	0.2500
Tech Spec	Manufacturer Part Number: 589201 Material: Hardened alloy Coating: Titanium Diameters: 1/4'', 3/8'', 1/2'', 5/8'', 3/4''

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3.0 / 5.0

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Countersink bits

Work great

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March 23, 2020

Steve Schweitzer x234 T

Purchased
3 months ago

Woodworking Experience:

Intermediate

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Don't work

I purchased at the store. I needed to use excessive pressure to enable them to cut oak. I had to chamfer some small holes on some brass. They would not cut. Just heated the brass so much that I could not hold the material. I went and got another counter sink that I had. It worked perfectly. It was the same type but made by another manufactured. I am also a machinist so I have lots of experience with these types of tools. I believe that there is negative cutting angle ground on the tools.