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Description
Technical data of conical countersink fi 20.5 mm 90 degrees
| Technical data | |
|---|---|
| Blade angle | 90 degrees |
| Maximum diameter of the hole D | fi 20,5 mm |
| Minimum bore diameter D1 | 3,5 mm |
| Diameter of the shank part d | 10 mm |
| overall length L | 63 mm |
| Length of working part l | 15 mm |
| Number of blades Z | 3 |
| Material | HSS high-speed steel |
Cutting Parameters for the Dredger fi 20.5mm 90 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 |
Tapered countersink fi 20.5mm 90 degrees DIN 335 C HSS is a robust metalworking tool designed in accordance with DIN 335 C. Made of HSS high speed steel, it provides good durability and wear resistance at moderate cutting parameters. The tool is designed for countersinking holes for countersunk screw heads and for precise edge chamfering.
Thanks to the use of three working blades, the fi 20.5mm 90-degree con ical countersink provides stability during operation and uniform cutting, which allows you to achieve a high quality finish without the effect of vibration or tool run-out. This makes the tool well suited for both manual and machine processing.
The product is dedicated to many types of materials, including structural steel, non-ferrous metals and as a fi 20.5mm 90-degree taper countersink for stainless steel, with the right selection of parameters. The high-quality surface of the blades ensures clean cutting and aesthetic, burr-free countersinking.
- Three working blades - stabilize the work and guarantee precise guidance of the tool.
- HSS steel - provides good strength and wear resistance under standard machining conditions.
- Smooth cutting surface - allows aesthetic recesses without additional machining.
- Use for a variety of metals - also works well as a taper countersink for metal and stainless steel.
- Versatility in use - suitable for workshops, unit and series production.
The conical countersink fi 20.5mm 90 degrees is a practical tool that combines a favorable price with satisfactory performance, meeting the requirements of many workshop applications.
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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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