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Manufacturer number:
HOLEX Clever Tap machine tap, uncoated, UNC: 4-40
Article no.: 137868 4-40
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- Thread type: UNC
- Flank angle: 60
- Tool material: HSS E
- Standard: DIN 371
- Tolerance class: 2B
Product details
Technical Data
| Series | CleverTap | |
| Thread size | 4-40 UNC | |
| Coating | uncoated | |
| 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 | 0.635 mm | |
| Threads per inch | 40 | |
| Thread ⌀ | 2.84 mm | |
| Overall length L | 56 mm | |
| Shank ⌀ Ds | 3.5 mm | |
| Shank square □ | 2.7 mm | |
| Tapping hole ⌀ | 2.35 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 | 7.1 mm | |
| Type of product | Taps |
Identification & Classification
| Article number |
137868 4-40
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| EAN / GTIN |
4067263161455
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| Manufacturer number |
137868 4-40
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| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
suitable for / [m/min]
N
ISO code:
13
suitable for / [m/min]
N
ISO code:
13
suitable for / [m/min]
P
ISO code:
12
suitable for / [m/min]
P
ISO code:
12
suitable for / [m/min]
P
ISO code:
6
suitable for / [m/min]
suitable for / [m/min]
Description
Version:
HOLEX Clever Tap:
Sturdy tap for conventional standard applications. High-quality HSS-E tool material and geometry for steels. Surface: Bronze-coloured tempered thread profile.
Sturdy tap for conventional standard applications. High-quality HSS-E tool material and geometry for steels. Surface: Bronze-coloured tempered thread profile.
HSS-E
Application:
For UNC uniform coarse threads ASME − B1.1.