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Article no.: 2157664
Fluteless machine tap with oil grooves HSS-E Form C 6GX, TiAlN, M: M3
Article no.: 481556
Catalog no.: 139192
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Maschinen-Gewindeformer mit Schmiernuten HSS-E Form C 6GX M | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Shank diameter DS | 3.5 mm | |
| Length of shank LS | 34.93 mm | |
| Thread type | metric ISO coarse thread | |
| Nominal diameter of metric thread D | 3 mm | |
| Thread D | M3 | |
| Thread pitch | 0.5 mm | |
| Thread tolerance class | 6GX | |
| Chisel edge diameter | 2.67 mm | |
| Length of tapping part Lc | 11.4 mm | |
| Tap infeed length | 1.25 mm | |
| Taper lead angle | 9.4 degrees | |
| Number of teeth | 2 | |
| Twist direction | neutral, straight | |
| Twist angle | 0 degrees | |
| Taper lead form | C | |
| Cutting part version | with lubrication groove and dirt trap groove | |
| Application for type of drilling | through hole; blind hole | |
| To depth (x diameter) | 3; 3 | |
| Number of clamping slots | 2 | |
| Core hole diameter | 2.8 mm | |
| Core hole diameter guideline value | 2.8 mm | |
| Flank angle | 60 degrees | |
| Square-drive width across flats □ | 2.7 mm | |
| Tool material | HSS-E | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Usable length L1 | 9 mm | |
| Overall length L | 56 mm | |
| Weight | 3 g | |
| Cutting direction | right-hand cutting | |
| Standard | DIN 2174 | |
| Machining method | thread processing internal (EGI) | |
| Colour ring | green | |
| Type of product | fluteless tap |
Identification & Classification
| Article number | 481556 | |
| Catalog number | 139192 | |
| EAN / GTIN | 4045197446831 | |
| Manufacturer number | 139192 M3 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
23
P
23
P
22
P
22
M
11
N
12
Description
Version:
DIN 2174 (≈ DIN 371 ≤ M10; ≈ DIN 376 ≥ M12). With oil grooves; optimum lubrication effect even in deeper threads.
Tolerance class: ISO 3X / 6GX = Oversize 0.02 − 0.04 mm.
Tolerance class: ISO 3X / 6GX = Oversize 0.02 − 0.04 mm.
Application:
For components which are galvanised after threading or which shrink slightly when hardened.