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EAN / GTIN:
Manufacturer number:
Cat. No.:
Synchronised fluteless machine tap with oil grooves HSS-E-PM Form C, TiN, M: M8
Article no.: 481546
Catalog no.: 139210
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Synchron-Maschinen-Gewindeformer mit Schmiernuten HSS-E-PM F | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 8 mm | |
| Length of shank LS | 49 mm | |
| Thread type | M | |
| Nominal diameter of metric thread D | 8 mm | |
| Thread D | M8 | |
| Thread pitch | 1.25 mm | |
| Thread tolerance class | ISO 2X 6HX | |
| Chisel edge diameter | 7.25 mm | |
| Length of tapping part Lc | 12 mm | |
| Tap infeed length | 3.63 mm | |
| Taper lead angle | 9 degrees | |
| Number of teeth | 5 | |
| 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) | 2.5; 2.5 | |
| Number of clamping slots | 5 | |
| Core hole diameter | 7.45 mm | |
| Core hole diameter guideline value | 7.45 mm | |
| Flank angle | 60 degrees | |
| Square-drive width across flats □ | 6.2 mm | |
| Tool material | HSS-E-PM | |
| Coating | TiN | |
| Interface | joint 1 | |
| Gauge length A | 90 mm | |
| Usable length L1 | 20 mm | |
| Overall length L | 90 mm | |
| Weight | 37 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | Werksnorm | |
| Machining method | thread processing internal (EGI) | |
| Colour ring | green | |
| Type of product | fluteless tap |
Identification & Classification
| Article number | 481546 | |
| Catalog number | 139210 | |
| EAN / GTIN | 4045197446930 | |
| Manufacturer number | 139210 M8 | |
| Article class | 11H | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
45
N
45
N
40
P
45
P
37
P
35
P
32
P
22
M
10
N
35
Description
Version:
Special polygon geometry and shank to DIN 1835-B for machines with synchronised spindle drive. With oil grooves; optimal lubrication effect even in deeper threads.
The innovative polygon form permits a wide application spectrum. The multi-function layered coating achieves maximum service life even in high-tensile materials in fixed applications.
The innovative polygon form permits a wide application spectrum. The multi-function layered coating achieves maximum service life even in high-tensile materials in fixed applications.