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Cat. Nr.:
GARANT Master Tap Alu machine tap, DLC, G: G1/2
Article no.: 137310 G1/2
Article code:
- Thread type: G
- Flank angle: 55
- Tool material: HSS E PM
- Standard: DIN 5156
- Tolerance class: ISO 228
Product details
Technical Data
| Series | Master Tap | |
| Thread size | G1/2 | |
| Coating | DLC | |
| Thread type | G | |
| Flank angle | 55 degrees | |
| Tool material | HSS E PM | |
| Standard | DIN 5156 | |
| Tolerance class | ISO 228 | |
| Taper lead form | E | |
| Helix angle | 45 degrees | |
| Shank | Plain shank with h9 | |
| Through-coolant | no | |
| Application for type of drilling | up to 2.5×D for blind 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 ⌀ | 19 mm | |
| Shank tolerance | h9 | |
| Type of threading tool | Machine tap for dynamic machining | |
| Helix angle characteristic | unequal spacing | |
| Number of clamping slots | 4 | |
| Number of cutting edges Z | 4 | |
| Thread depth | 52,4 mm | |
| Type of product | Taps |
Identification & Classification
| Article number | 137310 G1/2 | |
| EAN / GTIN | 4067263830658 | |
| Manufacturer number | 137310 G1/2 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Deutschland, www.hoffmann-group.com |
Application Table
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35
N
32
N
20
N
20
N
18
N
18
N
18
N
25
Description
Version:
High-performance tap, specially developed for aluminium and non-ferrous alloys. Dynamic helical pitch of the clamping slots ensures optimum chip evacuation and process reliability.
- HSS-E-PM tool material for high cutting edge stability.
- Ultra-smooth DLC coating for wear resistance and avoidance of edge build-up.
- Dynamic helical pitch of the flutes.
- Short lead chamfer form E.
Application:
For Whitworth parallel pipe threads DIN-ISO 228/1 (threads that do not form a seal within the connection).