About Countersinks
Countersinks cut a cone-shaped opening to install screws and rivets flush with a surface or hold workpieces between centers on a lathe. They can also be used for chamfering and deburring.
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High-Speed Steel Drill-Point Countersinks for Lathe Centers
![](/prerenderstable/mvPRE/contents/gfx/imagecache/291/2915a193-@halfx_637074969752565516.png?ver=imagenotfound)
When one end dulls, turn the countersink around for a fresh cutting edge. The 60° countersink angle is compatible with the profile of centers on a lathe. These countersinks have a small drill point on the tip for drilling and countersinking holes with the same tool. The drill point creates a small gap that prevents damage to the points of live or dead centers.
TiN (titanium nitride) coated countersinks last longer and withstand more heat than uncoated countersinks.
For technical drawings and 3-D models, click on a part number.
Dia. | 60° Countersink Angle | ||||||
---|---|---|---|---|---|---|---|
Countersink Trade Size | For Drill Bit Size | Body | Shank | Overall Lg. | For Use On | Each | |
Uncoated High-Speed Steel | |||||||
2 Flute | |||||||
00000 | 0.010" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 000000 |
0000 | 0.015" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 0000 |
000 | 0.020" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000 |
00 | 0.025" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000 |
0 | 1/32" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
1 | 3/64" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000 |
1 | 3/64" | 1/8" | 1/8" | 3" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
1 | 3/64" | 1/8" | 1/8" | 4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
1 | 3/64" | 1/8" | 1/8" | 5" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
1 | 3/64" | 1/8" | 1/8" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
2 | 5/64" | 3/16" | 3/16" | 1 7/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000 |
2 | 5/64" | 3/16" | 3/16" | 3" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
2 | 5/64" | 3/16" | 3/16" | 4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
2 | 5/64" | 3/16" | 3/16" | 5" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
2 | 5/64" | 3/16" | 3/16" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
3 | 7/64" | 1/4" | 1/4" | 2" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000 |
3 | 7/64" | 1/4" | 1/4" | 3" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
3 | 7/64" | 1/4" | 1/4" | 4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
3 | 7/64" | 1/4" | 1/4" | 5" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
3 | 7/64" | 1/4" | 1/4" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
4 | 1/8" | 5/16" | 5/16" | 2 1/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000 |
4 | 1/8" | 5/16" | 5/16" | 3" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
4 | 1/8" | 5/16" | 5/16" | 4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
4 | 1/8" | 5/16" | 5/16" | 5" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
4 | 1/8" | 5/16" | 5/16" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
4 1/2 | 9/64" | 3/8" | 3/8" | 2 1/2" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000 |
4 1/2 | 9/64" | 3/8" | 3/8" | 4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
4 1/2 | 9/64" | 3/8" | 3/8" | 5" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
4 1/2 | 9/64" | 3/8" | 3/8" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
5 | 3/16" | 7/16" | 7/16" | 2 3/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
5 | 3/16" | 7/16" | 7/16" | 4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
5 | 3/16" | 7/16" | 7/16" | 5" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
5 | 3/16" | 7/16" | 7/16" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
6 | 7/32" | 1/2" | 1/2" | 3" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
6 | 7/32" | 1/2" | 1/2" | 4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
6 | 7/32" | 1/2" | 1/2" | 5" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
6 | 7/32" | 1/2" | 1/2" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
7 | 1/4" | 5/8" | 5/8" | 3 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
7 | 1/4" | 5/8" | 5/8" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
8 | 5/16" | 3/4" | 3/4" | 3 1/2" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
8 | 5/16" | 3/4" | 3/4" | 6" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
9 | 11/32" | 7/8" | 7/8" | 3 5/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
10 | 3/8" | 1" | 1" | 3 3/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
Titanium Nitride (TiN) Coated High-Speed Steel | |||||||
2 Flute | |||||||
00000 | 0.010" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
0000 | 0.015" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
000 | 0.020" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
00 | 0.025" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
0 | 1/32" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
1 | 3/64" | 1/8" | 1/8" | 1 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
2 | 5/64" | 3/16" | 3/16" | 1 7/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
3 | 7/64" | 1/4" | 1/4" | 2" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
4 | 1/8" | 5/16" | 5/16" | 2 1/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
4 1/2 | 9/64" | 3/8" | 3/8" | 2 1/2" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
5 | 3/16" | 7/16" | 7/16" | 2 3/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
6 | 7/32" | 1/2" | 1/2" | 3" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
7 | 1/4" | 5/8" | 5/8" | 3 1/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
8 | 5/16" | 3/4" | 3/4" | 3 1/2" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
9 | 11/32" | 7/8" | 7/8" | 3 5/8" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 00000 |
10 | 3/8" | 1" | 1" | 3 3/4" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 000000 |