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Series | Pro Tap | |
Thread size | 1/4-20 UNC | |
Coating | TiN | |
Thread type | UNC | |
Flank angle | 60 degrees | |
Tool material | HSS E | |
Standard | DIN 371 | |
Tolerance class | 2B | |
Taper lead form | C | |
Helix angle | 40 degrees | |
Shank | Plain shank with h9 | |
Through-coolant | no | |
Application for type of drilling | up to 2.5×D for blind holes | |
Cutting direction | right-hand | |
Thread pitch | 1.27 mm | |
Threads per inch | 20 | |
Thread ⌀ | 6.35 mm | |
Overall length L | 80 mm | |
Shank ⌀ Ds | 7 mm | |
Shank square □ | 5.5 mm | |
Tapping hole ⌀ | 5.1 mm | |
Type of threading tool | Machine tap for dynamic machining | |
Number of clamping slots | 2 | |
Colour ring | green | |
Number of cutting edges Z | 2 | |
Thread depth | 15.9 mm | |
Type of product | Tap |
Article number | 137910 1/4-20 | |
EAN / GTIN | 4062406374839 | |
Manufacturer number | 137910 1/4-20 |
This article |
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|
Flank angle | 60 degrees | 60 degrees | 60 degrees | 60 degrees | 60 degrees | 60 degrees |
Overall length L | 80 mm | 80 mm | 80 mm | 80 mm | 80 mm | 80 mm |
Thread size | 1/4-20 UNC | 1/4-20 UNC | 1/4-20 UNC | 1/4-20 UNC | 1/4-20 UNC | 1/4-20 UNC |
Thread pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
Shank square □ | 5.5 mm | 5.5 mm | 5.5 mm | 5.5 mm | 5.5 mm | 5.5 mm |
Thread depth | 15.9 mm | 15.9 mm | 19.05 mm | 19.05 mm | 15.9 mm | 19.05 mm |
Application for type of drilling | up to 2.5×D for blind holes | up to 2.5×D for blind holes | up to 3×D for through holes | up to 3×D for through holes | up to 2.5×D for blind holes | up to 3×D for through holes |