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Article no.: 139527 G1/8
End cutting thread mill 2×D, TiAlN, G: G1/8
Article no.: 139523 G1/8
Article code:
- Thread type: G; BSP
- Flank angle: 55
- Tool material: Solid carbide
- Shank: DIN 6535 HA with h6
- Number of cutting edges Z: 4
Product details
Technical Data
| Thread size | G1/8 | |
| Coating | TiAlN | |
| Thread type | G; BSP | |
| Flank angle | 55 degrees | |
| Tool material | Solid carbide | |
| Shank | DIN 6535 HA with h6 | |
| Number of cutting edges Z | 4 | |
| Through-coolant | yes | |
| Application for type of drilling | up to 2×D for blind holes; up to 2×D for through holes | |
| Countersink angle | 90 degrees | |
| Cutting direction | left-hand | |
| Thread pitch | 0.907 mm | |
| Threads per inch | 28 | |
| Cutting edge ⌀ DC | 7.3 mm | |
| Cutter length lc | 3.2 mm | |
| Overhang L1 | 22 mm | |
| Shank length Ls | 47.6 mm | |
| Overall length L | 72 mm | |
| Shank ⌀ Ds | 10 mm | |
| Neck ⌀ D1 | 5.9 mm | |
| Programming radius | 3.65 mm | |
| Feed f z in steel < 65 HRC | 0.01 mm | |
| Thread profile | Full profile | |
| Shank tolerance | h6 | |
| Number of clamping slots | 4 | |
| Internal/external application | Internal | |
| Thread depth | 22 | |
| Type of product | Combination drill / thread mill |
Identification & Classification
| Article number | 139523 G1/8 | |
| EAN / GTIN | 4062406653736 | |
| Manufacturer number | 139523 G1/8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
90
P
90
H
45
H
40
H
35
M
60
M
60
S
45
Description
Version:
Tool for combined production of bore, chamfer and thread in a single work step. Pre-drilling is no longer required. The innovative centre cutting edge geometry makes this tool a specialist in thread production in hardened and hard-to-machine materials. The TiAIN high-performance coating ensures the longest possible tool life, especially in hardened steels up to 63 HRC. All tools have left-hand cutting and are suitable for right-hand and left-hand threads.
Application:
For Whitworth parallel pipe threads DIN-ISO 228/1 (threads that do not form a seal within the connections).
Note:
Always use with cooling lubricant emulsion. (Fat content min 8%). In the case of steels >45 HRC can only be used with compressed air!