Sutton C201 S03 A 3 Piece 90° Three Flute Countersink Set - HSS - 8.3, 12.4, 20.5mm
Available
The Sutton C201 S03 A (C201S03A) is a 3 piece set of 90° three flute HSS countersinks, 8.3, 12.4 and 20.5 mm, supplied in a Stack Tac case. The sizes cover M4, M6 and M10 screw heads.
The countersinks are made to DIN 335 specifications from M2 high speed steel, which offers the best combination of strength, heat and wear resistance. They suit steel, tool steel, stainless steel, cast iron, brass and aluminium, and can be used in portable and pedestal drilling machines.
Where this product is used
- Countersinking screw holes for M4, M6 and M10 screw heads with one set.
- Use in a portable or pedestal drilling machine.
What is in the set
The 3 sizes in the set, with the item number of each size when bought individually. Lengths and shank sizes are in millimetres.
| Included size | Diameter d1 (mm) | Range (mm) | Overall length (mm) | Shank (mm) | Screw head |
|---|---|---|---|---|---|
| C201 H 0830 | 8.3 | 2.0-8.3 | 50 | 6 | M4 |
| C201 H 1240 | 12.4 | 2.8-12.4 | 56 | 8 | M6 |
| C201 H 2050 | 20.5 | 3.5-20.5 | 63 | 10 | M10 |
Using the tool
- Match the countersink to the screw head so the head sits flush with the surface.
- Use a low to moderate speed, and go lower on harder materials and larger diameters.
- Use cutting fluid when working steel or stainless steel.
- Hold the work firmly and keep the tool steady to reduce chatter.
Key specifications
| Specification | Detail |
|---|---|
| Item number | C201 S03 A (C201S03A) |
| Type | 3 piece set, 90° three flute countersinks |
| Material | M2 high speed steel (HSS) |
| Finish | Bright |
| Standard | DIN 335 specifications |
| Case | Stack Tac case |
| Pieces | 3 |
Related products
Individual sizes: the C201 range, 8.3 to 25.0 mm. Browse all countersink bit sets.
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