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External ⌀ | 8.3 mm | |
Coating | uncoated | |
Countersink tip angle | 90 degrees | |
Tool material | HSS | |
Number of cutting edges Z | 3 | |
Standard | Manufacturer’s standard | |
Shank | Plain shank with h9 | |
Through-coolant | no | |
smallest countersink ⌀ for holes from | 2 mm | |
Overall length L | 105 mm | |
Shank ⌀ Ds | 6 mm | |
for countersunk screws DIN 7991 | M4 | |
Feed f in steel < 500 N/mm2 | 0.09 mm/rev. | |
Shank tolerance | h9 | |
Colour ring | without | |
Pre-drill ⌀ | 2 mm | |
Type of product | Stepped drill and countersink |
Article number | 150371 8,3 | |
EAN / GTIN | 4045197086105 | |
Manufacturer number | 150371 8,3 |
This article |
Recommendations |
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High-precision countersink, long 90°, uncoated, External ⌀ Dc: 8,3mm |
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Number of cutting edges Z | 3 | 3 | 3 |
Coating | uncoated | uncoated | uncoated |
for countersunk screws DIN 7991 | M4 | M4 | M4 |
Overall length L | 105 mm | 155 mm | 50 mm |
Tool material | HSS | HSS | HSS E |
Shank ⌀ Ds | 6 mm | 6 mm | 6 mm |
smallest countersink ⌀ for holes from | 2 mm | 2 mm | 2 mm |