DORMER R4578.4 DRILL 8.40 MM 5980404
Metal drills R457
References
dormer:R4578.4
rubix:2019754
ean:7320760134924
Technical specifications
| Drilling diameter | 8.4 mm |
|---|---|
| Total length | 89 mm |
| Length of cut | 47 mm |
Product details : DORMER R4578.4 DRILL 8.40 MM 5980404
VHM Extra Short Spiral drill with DIN 6535 HA shaft and cooling channels DIN 6537 K MP-X 140° TiAlN coated 3xD for steel <1620 N/mm ². Stainless Steel <850 N/mm ². Cast iron. Titanium. Copper and aluminium alloys.
Applications
• 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)
• alloy steel hardened and tempered steel (>250<350 HB >850<1200 N/mm²)
• Cast Iron lamellar (<150 HB >500 N/mm ²)
• Cast iron lamellar (>150<300 HB >500<1000 N/mm²)
• Ductile cast iron/malleable cast iron (<200 HB <700 N/mm²)
• Ductile cast iron/malleable cast iron (>200<300 HB >700<1000 N/mm²)
• Copper (<100 HB <350 N/mm²)
• Béta-Brass Bronze (<200 HB <700 N/mm²)
• Alfa-Brass (<200 HB <700 N/mm²)
• Extra-strong bronze (<470 HB <1500 N/mm²)
• aluminium alloyed Silicon 0.5% (<150 HB <500 N/mm²)
• aluminium alloyed Silicon > 0.5% <10% (<120 HB <400 N/mm²)
• aluminium alloyed Silicon >10% whisker reinforced aluminium-alloys magnesium-alloys (<120 HB <400 N/mm²)
• Duraplastics
• Reinforced plastic materials
• Construction steel carburised steel (<200 HB <700 N/mm²)
• Carbon steel (<250 HB <850 N/mm²)
• Alloyed steel (<250 HB <850 N/mm²)
• alloy steel hardened and tempered steel (>250<350 HB >850<1200 N/mm²)
• Cast Iron lamellar (<150 HB >500 N/mm ²)
• Cast iron lamellar (>150<300 HB >500<1000 N/mm²)
• Ductile cast iron/malleable cast iron (<200 HB <700 N/mm²)
• Ductile cast iron/malleable cast iron (>200<300 HB >700<1000 N/mm²)
• Copper (<100 HB <350 N/mm²)
• Béta-Brass Bronze (<200 HB <700 N/mm²)
• Alfa-Brass (<200 HB <700 N/mm²)
• Extra-strong bronze (<470 HB <1500 N/mm²)
• aluminium alloyed Silicon 0.5% (<150 HB <500 N/mm²)
• aluminium alloyed Silicon > 0.5% <10% (<120 HB <400 N/mm²)
• aluminium alloyed Silicon >10% whisker reinforced aluminium-alloys magnesium-alloys (<120 HB <400 N/mm²)
• Duraplastics
• Reinforced plastic materials
Technical specifications
Attributes
| Drilling diameter | 8.4 mm |
|---|---|
| Total length | 89 mm |
| Length of cut | 47 mm |
| Din standard | DIN 6537 K |
| Ratio of diameter to length of drill hole | 3xD |
| Tip angle | 140 ° |
| Internal cooling | Yes |
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£ 86.10 excl. VAT
/ Each
£ 103.32 incl. VAT
Usually arrives within 14 working days