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Description
Technical data for the Ø12.4 mm 90° countersink
| Technical data | |
|---|---|
| Cutting edge angle | 90 degrees |
| Maximum bore diameter D | fi 12.4 mm |
| Minimum bore diameter D1 | 2.8 mm |
| Diameter of the shank part d | 8 mm |
| total length L | 56 mm |
| Flute length l | 10 mm |
| Number of cutting edges Z | 3 |
| Tool material | HSS high-speed steel |
Cutting data for the Ø12.4 mm 90° countersink
| Material | Vc [m/min] | Feed per tooth fz [mm/tooth] | n [rpm] | Total feed rate f [mm/min] |
|---|---|---|---|---|
| PSteel | 18 | 0.06 | 462 | 37 |
| MStainless steel | 10 | 0.03 | 257 | 23 |
| KCast iron | 8 | 0.04 | 205 | 31 |
| NAluminum | 50 | 0.12 | 1284 | 462 |
Countersink Ø12.4 mm 90° DIN 335 C HSS is a precision tool for countersinking holes for countersunk screw heads and chamfering holes in metal components. Made of high-speed steel (HSS), it offers good wear resistance and stable operation at moderate cutting parameters.
Thanks to a geometry based on three cutting edges, Ø12.4 mm 90° countersink ensures uniform cutting, quiet operation, and an accurate, smooth hole finish without vibration. The tool is suitable for manual and machine operations in both one-off and series production.
The product is designed for a wide range of materials – unalloyed steel, cast iron, non-ferrous metals – and, with appropriate cooling, for use as a Ø12.4 mm 90° countersink for stainless steel. High-quality surface for cutting reduces cutting resistance and ensures neat, clean edges.
- Three cutting edges – stabilize tool operation and improve cutting quality.
- HSS steel – ensures durability and machining efficiency at standard cutting parameters.
- High-quality cutting surface – produces clean countersinks without additional finishing.
- Versatile applications – works well as a countersink for metal under various operating conditions.
- Suitable for machining stainless steel – provided appropriate cooling conditions are maintained.
Ø12.4 mm 90° countersink is a reliable tool for everyday workshop and production work, offering durability, precision, and versatility.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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