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8P7F4-23147 Manufacturer:
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| HSS short spiral drill with cylindrical shaft DIN 338 N 118° steam tempered 4xD for steel <850 N/mm² and cast iron. • Machining steel soft steel (<120 HB <400 N/mm²) • Construction steel carburised steel (<200 HB <700 N/mm²) • Carbon steel (<250 HB <850 N/mm²) • Alloyed steel (<250 HB <850 N/mm²) • Cast Iron lamellar (<150 HB >500 N/mm ²) • Cast iron lamellar (> 150<300 HB >500<1000 N/mm²) • Thermoplastics, Plastic-Duraplastics • Aluminium/Magnesium - Aluminium Magnesium non-alloyed (<100 HB <350 N/mm²) • Aluminium/Magnesium - Aluminium alloyed Silicon 0.5% (<150 HB <500 N/mm²) More information: | | Catalogue part number: | G1086000669 | Drilling diameter_mm: | 4.7 | Total length_mm: | 80 | Length of cut_mm: | 47 | Ratio of diameter to length of drill hole: | 4xD | Body material: | HSS | Sharpening: | Standard | Tip angle_°: | 118 | Internal cooling: | No |
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