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Description
Technical data of conical countersink fi 20.5 mm 120 degrees
| Technical data | |
|---|---|
| Blade angle | 120 degrees |
| Maximum bore diameter D | fi 20,5 mm |
| Minimum bore diameter D1 | 4 mm |
| Diameter of shank part d | 10 mm |
| overall length L | 61 mm |
| Length of working part l | 10 mm |
| Number of blades Z | 3 |
| Material | HSS high-speed steel |
Cutting parameters for countersink fi 20.5 mm 120 degrees
| ISO symbol | Material | Vc [m/min] | Feed fz [mm/ostrze] | n [obr/min] | Total feed rate f [mm/min] |
|---|---|---|---|---|---|
| P | Steel | 18 | 0,06 | 280 | 50 |
| M | Stainless steel | 10 | 0,03 | 155 | 14 |
| K | Cast iron | 8 | 0,04 | 124 | 15 |
| N | Aluminum | 50 | 0,12 | 777 | 280 |
Countersink fi 20,5 mm 120 degrees DIN 347 A HSS is a precision tool designed for professional machining of holes at an angle of one hundred and twenty degrees. Thanks to its high-quality workmanship, it will work well both in workshop conditions and in industrial production.
Made of durable HSS high-speed steel, the conical countersink for metal is distinguished by exceptional resistance to abrasion and high temperatures, reaching up to 600 degrees Celsius. This makes it possible to use it in intensive machining processes, including at high speeds. It can be used as a conical countersink fi 20,5 mm 120 degrees for stainless steel, non-ferrous metals, alloys and other hard-to-machine materials.
Precision blade geometry and 3 working blades ensure stable and efficient operation. This design minimizes vibration, improves surface quality and allows for even distribution of cutting forces.
- 3 cutting blades - increases tool stability and improves hole surface quality.
- High-grade HSS steel - ensures long life and heat resistance.
- Compliance with DIN 347 A - ensures precision and repeatability of machining.
- High-quality surface - reduces chip adhesion and improves smoothness of work.
Tapered countersink fi 20.5 mm 120 degrees is the ideal choice for users looking for an effective and durable tool for metal and stainless steel machining.
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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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