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Description
Technical data of conical countersink fi 12.4 mm 120 degrees
| Technical data | |
|---|---|
| Blade angle | 120 degrees |
| Maximum bore diameter D | fi 12,4 mm |
| Minimum bore diameter D1 | 2,8 mm |
| Diameter of shank part d | 8 mm |
| overall length L | 56 mm |
| Length of working part l | 10 mm |
| Number of blades Z | 3 |
| Material | HSS high-speed steel |
Cutting parameters for countersink fi 12.4 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 | 462 | 83 |
| M | Stainless steel | 10 | 0,03 | 257 | 23 |
| K | Cast iron | 8 | 0,04 | 205 | 25 |
| N | Aluminum | 50 | 0,12 | 1284 | 462 |
Tapered countersink fi 12,4 mm 120 degrees DIN 347 A HSS is a professional tool designed for precision machining of holes at an angle of one hundred and twenty degrees, especially for tapered screw heads. Thanks to compliance with DIN 347 A, the tool meets strict industrial requirements for accuracy and dimensional repeatability.
Made of high-quality HSS high-speed steel, this metal taper countersink is characterized by exceptional resistance to abrasion and high temperatures generated during intensive machining. It excels in contact with difficult-to-machine materials, making it a reliable choice as a fi 12.4 mm 120-degree conical countersink for stainless steel.
A key design advantage is the 3 blades, which ensure stability during operation and even distribution of cutting forces. This makes it possible to achieve a smooth surface of the machined hole and reduce vibration.
- 3 cutting blades - guarantee stable operation, clean finish and high precision.
- HSS steel - enables operation in harsh thermal conditions and increases tool life.
- Conforms to DIN 347 A - ensures geometry accuracy and repeatability in multi-series machining.
- High-quality surface - reduces chip adhesion and minimizes burrs.
The fi 12.4 mm 120-degree tapered countersink is a reliable tool for professionals looking for high quality, durability and accuracy in machining stainless steel and structural metals.
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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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