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External ⌀ | 12.4 mm | |
Coating | uncoated | |
Countersink tip angle | 90 degrees | |
Tool material | HSS E | |
Number of cutting edges Z | 3 | |
Standard | DIN 335 C | |
Shank | Plain shank with h9 | |
Through-coolant | no | |
smallest countersink ⌀ for holes from | 2.8 mm | |
Overall length L | 56 mm | |
Shank ⌀ Ds | 8 mm | |
for countersunk screws DIN 7991 | M6 | |
Feed f in stainless steel < 900 N/mm2 | 0.12 mm/rev. | |
Shank tolerance | h9 | |
Colour ring | blue | |
Pre-drill ⌀ | 2.8 mm | |
Type of product | Stepped drill and countersink |
Article number | 150378 12,4 | |
EAN / GTIN | 4045197086358 | |
Manufacturer number | 150378 12,4 |
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![]() ![]() High-precision countersink 90°, uncoated, External ⌀ Dc: 12,4mm |
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Number of cutting edges Z | 3 | 3 | 3 | 3 |
External ⌀ | 12.4 mm | 12.4 mm | 12.4 mm | 12.4 mm |
Coating | uncoated | uncoated | uncoated | uncoated |
Colour ring | blue | without | without | blue |
Through-coolant | no | no | no | no |
Countersink tip angle | 90 degrees | 90 degrees | 90 degrees | 90 degrees |
Shank tolerance | h9 | h9 | h9 | h9 |