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Thread size | G1/4 | |
Coating | TiAlN | |
Thread type | G | |
Flank angle | 55 degrees | |
Tool material | HSS E PM | |
Standard | DIN 2189 | |
Tolerance class | ISO 228 X | |
Taper lead form | C | |
Shank | Plain shank with h9 | |
Through-coolant | yes | |
Application for type of drilling | up to 3×D for blind holes; up to 3×D for through holes | |
Cutting direction | right-hand | |
Thread pitch | 1.337 mm | |
Threads per inch | 19 | |
Thread ⌀ | 13.16 mm | |
Overall length L | 100 mm | |
Shank ⌀ Ds | 11 mm | |
Shank square □ | 9 mm | |
Tapping hole ⌀ guide value | 12.55 mm | |
Number of clamping slots | 8 | |
Colour ring | blue | |
Number of cutting edges Z | 8 | |
Thread depth | 39.48 mm | |
Series | Master Form | |
Type of product | Fluteless tap |
Article number | 139425 G1/4 | |
EAN / GTIN | 4062406384036 | |
Manufacturer number | 139425 G1/4 |
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![]() ![]() Fluteless machine tap with oil grooves HSS-E-PM IC G1/4 |
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Coating | TiAlN | TiN | TiAlN | TiAlN | TiAlN |
Flank angle | 55 degrees | 55 degrees | 55 degrees | 55 degrees | 55 degrees |
Thread type | G | G | G | G | G |
Through-coolant | yes | no | no | no | no |
Shank | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 |
Shank square □ | 9 mm | 9 mm | 9 mm | 9 mm | 9 mm |
Application for type of drilling | up to 3×D for blind holes; up to 3×D for through holes | up to 3×D for blind holes; up to 3×D for through holes | up to 3×D for blind holes; up to 3×D for through holes | up to 3×D for blind holes; up to 3×D for through holes | up to 3×D for blind holes; up to 3×D for through holes |