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Fluteless machine tap with oil grooves HSS-E-PM IC G1/2
Article no.: 139425 G1/2
Article code:
- Thread type: G
- Flank angle: 55
- Tool material: HSS E PM
- Standard: DIN 2189
- Tolerance class: ISO 228 X
Product details
Technical Data
| Thread size | G1/2 | |
| Coating | TiAlN | |
| Thread type | G | |
| Flank angle | 55 degrees | |
| Tool material | HSS E PM | |
| Standard | DIN 2189 | |
| Tolerance class | ISO 228 X | |
| Taper lead form | C | |
| Shank | Plain shank with h9 | |
| Through-coolant | yes | |
| Application for type of drilling | up to 3×D for blind holes; up to 3×D for through holes | |
| Cutting direction | right-hand | |
| Thread pitch | 1.814 mm | |
| Threads per inch | 14 | |
| Thread ⌀ | 20.96 mm | |
| Overall length L | 125 mm | |
| Shank ⌀ Ds | 16 mm | |
| Shank square □ | 12 mm | |
| Tapping hole ⌀ guide value | 20.05 mm | |
| Number of clamping slots | 8 | |
| Colour ring | blue | |
| Number of cutting edges Z | 8 | |
| Thread depth | 62.88 mm | |
| Series | Master Form | |
| Type of product | Fluteless tap |
Identification numbers & Classifications
| Article number | 139425 G1/2 | |
| EAN / GTIN | 4062406384050 | |
| Manufacturer number | 139425 G1/2 |
Application Table
N
42
P
40
P
38
P
29
P
20
P
15
M
15
M
8
N
25
Description
Version:
DIN 2189 (≈ DIN 5156). With oil grooves; optimum lubrication effect even in deeper threads.
GARANT Master Form Steel:
The latest generation of high-performance fluteless taps, specially developed for use in steels.
With internal coolant feed laterally from the grooves. Permits the longest possible tool life when machining through holes and blind holes.
GARANT Master Form Steel:
The latest generation of high-performance fluteless taps, specially developed for use in steels.
- Optimised polygon geometry for a lower torque.
- Multi-layer HIPIMS coating for high wear resistance.
- HSS-E-PM substrate for top process reliability.
With internal coolant feed laterally from the grooves. Permits the longest possible tool life when machining through holes and blind holes.
Application:
For Whitworth parallel pipe threads DIN-ISO 228/1 (threads that do not form a seal within the connection).
Downloads & documents
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Fluteless machine tap with oil grooves HSS-E-PM IC G1/2 |
|||||
| Number of cutting edges Z | 8 | 6 | 7 | 6 | 8 |
| Coating | TiAlN | TiN | TiAlN | TiAlN | TiAlN |
| Flank angle | 55 degrees | 55 degrees | 55 degrees | 55 degrees | 55 degrees |
| Thread size | G1/2 | G1/2 | G1/2 | G1/2 | G1/2 |
| Through-coolant | yes | no | no | no | no |
| Thread depth | 62.88 mm | 62.88 mm | 62.88 mm | 62.88 mm | 62.88 mm |
| Type of product | Fluteless tap | Fluteless tap | Fluteless tap | Fluteless tap | Fluteless tap |