Polski 
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Description
Technical data of conical countersink fi 20.5 mm 90 degrees
| Technical data | |
|---|---|
| Blade angle | 90 degrees |
| Maximum bore diameter D | fi 20,5 mm |
| Minimum bore diameter D1 | 4,2 mm |
| Morse taper No | 2 |
| Total length L | 100 mm |
| Length of Working Part l | 13 mm |
| Number of blades Z | 3 |
| Material Design | HSSE high speed steel |
| Product | Polish |
Cutting parameters for countersink fi 20.5 mm 90 degrees
| ISO Symbol | Material | Vc [m/min] | Feed fz [mm/ostrze] | n [obr/min] | Total feed rate f [mm/min] |
|---|---|---|---|---|---|
| P | Steel | 22 | 0,075 | 342 | 77 |
| M | Stainless steel | 12,5 | 0,037 | 194 | 22 |
| K | Cast iron | 10 | 0,05 | 155 | 23 |
| N | Aluminum | 62 | 0,15 | 777 | 280 |
The DIN 335 B HSSE conical countersink fi 20.5 mm 90 degrees is a precision cutting tool designed for advanced hole machining in difficult-to-machine materials such as stainless steel, metal alloys and high-strength engineering plastics. Made from cobalt HSSE high-speed steel, it provides enhanced wear resistance and higher thermal durability compared to standard HSS tools.
With a Morse taper shank, the countersink provides stable clamping in conventional and CNC machine tools. The 3-blade design allows for an even distribution of cutting forces, resulting in higher accuracy, reduced vibration and an exceptionally smooth countersinking surface.
As a conical metal countersink, it can perfectly handle a wide range of construction materials. Its resistance to operating temperatures of up to six hundred degrees enables high-performance machining without sacrificing cutting quality.
- 3 cutting blades - increase the stability of work and precision surface finish.
- Morse shank - provides secure tool clamping on a wide range of machines.
- HSSE steel - excellent for machining difficult-to-cut materials, including stainless steel.
- Universal application - ideal as a conical countersink fi 20.5 mm 90 degrees for stainless steel and non-ferrous metals.
HSSE version ofconical countersink fi 20,5 mm 90 degrees is a reliable solution for industrial plants expecting maximum precision and durability in daily work.
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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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