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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Trapezoidal spiral point machine tap, nitrided, Tr: TR8X1,5
Article no.: 519804
Catalog no.: 133490
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 | Maschinen-Gewindebohrer Tr TR8X1,5 | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 6 mm | |
| Length of shank LS | 40 mm | |
| Thread type | trapezoidal thread | |
| Nominal diameter of metric thread D | 8 mm | |
| Thread D | TR8X1,5 | |
| Thread pitch | 1.5 mm | |
| Thread tolerance class | DIN 103 7H | |
| Length of tapping part Lc | 40 mm | |
| Tap infeed length | 30 mm | |
| Taper lead angle | 3 degrees | |
| Number of teeth | 3 | |
| Twist direction | left-hand | |
| Twist angle | 25 degrees | |
| Type of thread-cutting tool | maskinsnittapper til synkron bearbejdning | |
| Application for type of drilling | through hole | |
| To depth (x diameter) | 1.5 | |
| Number of clamping slots | 3 | |
| Core hole diameter | 6.6 mm | |
| Flank angle | 30 degrees | |
| Square-drive width across flats □ | 4.9 mm | |
| Tool material | HSS-E | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Interface | joint 1 | |
| Gauge length A | 90 mm | |
| Overall length L | 90 mm | |
| Weight | 20 g | |
| Cutting direction | right-hand cutting | |
| Standard | Werksnorm | |
| Machining method | thread processing internal (EGI) | |
| Colour ring | green | |
| Type of product | taps |
Identification & Classification
| Article number | 519804 | |
| Catalog number | 133490 | |
| EAN / GTIN | 4045197533005 | |
| Manufacturer number | 133490 TR8X1,5 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
7
P
7
P
5
P
3
M
3
K
7
N
7
Description
Version:
Profile correct for NC, with divided envelope cut.
Lead chamfer: ≈ 20 turns. With 25° left-hand flutes, right-hand cutting.
Lead chamfer: ≈ 20 turns. With 25° left-hand flutes, right-hand cutting.
Advantage:
Suitable for reversing.
Note:
For use on synchronised spindles.
The lead must be machine driven.
The lead must be machine driven.