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Thread size | 1/4-28 UNF | |
Coating | uncoated | |
Thread type | UNF | |
Flank angle | 60 degrees | |
Tool material | HSS E | |
Standard | DIN 371 | |
Thread standard | ASME B1.1 | |
Tolerance class | 1B; 2B; 2B +0.05; 2B +0.10; 2B +0.20; 3B | |
Taper lead form | C | |
Shank | Plain shank with h9 | |
Through-coolant | no | |
Application for type of drilling | up to 2×D for blind holes | |
Cutting direction | right-hand | |
Thread pitch | 0.907 mm | |
Threads per inch | 28 | |
Thread ⌀ | 6.35 mm | |
Overall length L | 80 mm | |
Shank ⌀ Ds | 7 mm | |
Shank square □ | 5.5 mm | |
Tapping hole ⌀ | 5.5 mm | |
Type of threading tool | Machine tap for conventional machining | |
Number of clamping slots | 3 | |
Colour ring | without | |
Number of cutting edges Z | 3 | |
Thread depth | 15.9 mm | |
Type of product | Tap |
Article number | 130040 1/4-28 | |
EAN / GTIN | 4062406043537 | |
Manufacturer number | 130040 1/4-28 |
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Threads per inch | 28 | 28 | 28 | 28 |
Thread size | 1/4-28 UNF | 1/4-28 UNF | 1/4-28 UNF LH | 1/4-28 UNF |
Shank | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 |
Shank square □ | 5.5 mm | 5.5 mm | 5.5 mm | 5.5 mm |
Thread depth | 15.9 mm | 12.7 mm | 15.9 mm | 15.9 mm |
Shank ⌀ Ds | 7 mm | 7 mm | 7 mm | 7 mm |
Type of product | Tap | Tap | Tap | Taps |