{{ name }}
Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. Nr.:
Alternative article:
-
Article no.: 139728 7/16-20
Plain shank thread mill with countersinking step 2×D, TiAlN, UNF: 7/16-20
Article no.: 139726 7/16-20
Article code:
- Thread type: UNF; UNF-LH
- Flank angle: 60
- Tool material: Solid carbide
- Shank: DIN 6535 HA with h6
- Through-coolant: yes
Product details
Technical Data
| Thread size | 7/16-20 UNF | |
| Coating | TiAlN | |
| Thread type | UNF; UNF-LH | |
| Flank angle | 60 degrees | |
| Tool material | Solid carbide | |
| Shank | DIN 6535 HA with h6 | |
| Through-coolant | yes | |
| Thread pitch | 1.27 mm | |
| Threads per inch | 20 | |
| Nominal ⌀ DC | 9.32 mm | |
| Shank length Ls | 45 mm | |
| Overall length L | 88 mm | |
| Shank ⌀ Ds | 14 mm | |
| Neck ⌀ D1 | 11.4 mm | |
| No. of teeth Z | 3 | |
| Feed fz in steel < 1100 N/mm2 | 0.045 mm | |
| Application for type of drilling | up to 2×D for blind holes; up to 2×D for through holes | |
| Countersink angle | 90 degrees | |
| Shank tolerance | h6 | |
| Number of clamping slots | 3 | |
| Colour ring | green | |
| Internal/external application | Internal | |
| Hole ⌀ | 9.32 mm | |
| Thread depth | 22.22 mm | |
| Type of product | thread milling cutter |
Identification & Classification
| Article number | 139726 7/16-20 | |
| EAN / GTIN | 4045197366801 | |
| Manufacturer number | 139726 7/16-20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
220
N
220
N
170
P
170
P
150
P
120
P
80
P
60
H
35
M
90
M
70
S
60
K
120
N
180
Description
Version:
Corrected thread profile for milling exact internal threads (ensure stable clamping conditions).
Incorporating a countersink profile for a 90° countersink.
Incorporating a countersink profile for a 90° countersink.
Advantage:
Countersinking and thread milling in one operation!
Application:
For UNF unified fine threads ASME-B1.1.
Note:
NEW GENERATION AVAILABLE!
Recommended successor product is No. 139728.
Recommended successor product is No. 139728.