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Fluteless machine tap with oil grooves HSS-E G1/2
Article no.: 139472 G1/2
Article code:
- Thread type: G
- Flank angle: 55
- Tool material: HSS E
- 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 | |
| Standard | DIN 2189 | |
| Tolerance class | ISO 228 X | |
| Taper lead form | C | |
| Shank | Plain shank with h9 | |
| Through-coolant | no | |
| 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 | 7 | |
| Colour ring | green | |
| Number of cutting edges Z | 7 | |
| Thread depth | 62.88 mm | |
| Type of product | Fluteless tap |
Identification numbers & Classifications
| Article number | 139472 G1/2 | |
| EAN / GTIN | 4045197447111 | |
| Manufacturer number | 139472 G1/2 |
Application Table
N
23
P
23
P
22
P
22
M
11
N
12
Description
Version:
DIN 2189 (≈ DIN 5156). With oil grooves; optimum lubrication effect even in deeper threads.
High performance TiAlN and anti-friction coating for correspondingly longer tool life.
High performance TiAlN and anti-friction coating for correspondingly longer tool life.
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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|
| Number of cutting edges Z | 7 | 6 | 6 | 8 | 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 | no | no | no | yes | 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 |