DORMER A7778.7 JOBBER DRILL 8.70 MM 5971307
Metal drills A777
References
dormer:A7778.7
rubix:222412
ean:7320760375617
Technical specifications
| Drilling diameter | 8.7 mm |
|---|---|
| Total length | 125 mm |
| Length of cut | 81 mm |
Product details : DORMER A7778.7 JOBBER DRILL 8.70 MM 5971307
HSS-E short spiral drill with cylindrical shaft DIN 338 N 135° bronze 4xD for alloyed steel <1620 N/mm². Nodular cast iron <1000 N/mm². Titanium alloys <1250 N/mm² en nickel alloys <900 N/mm².
Applications
• Alloy steel hardened and tempered steel (>250<350 HB >850<1200 N/mm²)
• Alloy steel hardened and tempered steel (> 350 HB >1200<1620 N/mm²)
• Ductile cast iron/malleable cast iron (>200<300 HB >700<1000 N/mm²)
• Titanium non-alloyed (<200 HB <700 N/mm²)
• Titanium alloyed (<270 HB <900 N/mm²)
• Titanium Alloy (>270<350 HB >900<1250 N/mm²)
• Nickel Alloy (<270 HB >900 N/mm ²)
• Alloy steel hardened and tempered steel (> 350 HB >1200<1620 N/mm²)
• Ductile cast iron/malleable cast iron (>200<300 HB >700<1000 N/mm²)
• Titanium non-alloyed (<200 HB <700 N/mm²)
• Titanium alloyed (<270 HB <900 N/mm²)
• Titanium Alloy (>270<350 HB >900<1250 N/mm²)
• Nickel Alloy (<270 HB >900 N/mm ²)
Technical specifications
Attributes
| Drilling diameter | 8.7 mm |
|---|---|
| Total length | 125 mm |
| Length of cut | 81 mm |
| Din standard | DIN 338 |
| Ratio of diameter to length of drill hole | 4xD |
| Body material | HSS-E |
| Sharpening | Standard |
| Tip angle | 135 ° |
| Internal cooling | No |
| Tail diameter | 8.7 mm |
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