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External ⌀ | 12.4 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 | 2.8 mm | |
Overall length L | 108 mm | |
Shank ⌀ Ds | 8 mm | |
for countersunk screws DIN 7991 | M6 | |
Feed f in steel < 500 N/mm2 | 0.12 mm/rev. | |
Shank tolerance | h9 | |
Colour ring | without | |
Pre-drill ⌀ | 2.8 mm | |
Type of product | Stepped drill and countersink |
Article number | 150371 12,4 | |
EAN / GTIN | 4045197086129 | |
Manufacturer number | 150371 12,4 |
This article |
Recommendations |
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High-precision countersink, long 90°, uncoated, External ⌀ Dc: 12,4mm |
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Coating | uncoated | uncoated | TiAlN | uncoated | TiN | uncoated | TiAlN | TiAlN | TiAlN | TiAlN | TiAlN | TiAlN |
Colour ring | without | without | green | without | green | without | green | green | green | green | green | green |
for countersunk screws DIN 7991 | M6 | M6 | M6 | M6 | M6 | M6 | M6 | M6 | M6 | M6 | M6 | M6 |
Standard | Manufacturer’s standard | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | Manufacturer’s standard | Manufacturer’s standard | DIN 335 C | DIN 335 C |
Shank | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 | Shank with h9 and three drive flats | Plain shank with h9 | Shank with h9 and three drive flats | Parallel shank to h9 | Three clamping flats to h9 | Three clamping flats to h9 | Plain shank with h9 |
smallest countersink ⌀ for holes from | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm | 2.8 mm |
Feed f in steel < 500 N/mm2 | 0.12 mm/rev. | 0.12 mm/rev. | 0.12 mm/rev. | 0.12 mm/rev. | 0.12 mm/rev. | 0.12 mm/rev. | 0.13 mm/rev. | 0.13 mm/rev. | 0.13 mm/rev. | 0.13 mm/rev. | 0.12 mm/rev. | 0.12 mm/rev. |