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Article code:
EAN / GTIN:
Manufacturer number:
HOLEX Pro Tap machine tap HSS-E, TiN, UNC: 2-56
Article no.: 137910 2-56
Article code:
- Thread type: UNC
- Flank angle: 60
- Tool material: HSS E
- Standard: DIN 371
- Tolerance class: 2B
Product details
Technical Data
| Series | Pro Tap | |
| Thread size | 2-56 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 | 0.454 mm | |
| Threads per inch | 56 | |
| Thread ⌀ | 2.18 mm | |
| Overall length L | 46 mm | |
| Shank ⌀ Ds | 2.8 mm | |
| Shank square □ | 2.1 mm | |
| Tapping hole ⌀ | 1.85 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 | 5.45 mm | |
| Type of product | Tap |
Identification & Classification
| Article number | 137910 2-56 | |
| EAN / GTIN | 4062406373511 | |
| Manufacturer number | 137910 2-56 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
24
N
25
N
10
P
24
P
20
P
15
P
8
M
8
N
15
Description
Version:
HOLEX Pro Tap general-purpose tap. Sturdy design suitable for a wide spectrum of materials. Improved HSS-E tool material with low-friction TiN coating.
Application:
For UNC uniform coarse threads ASME − B1.1.