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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
GARANT Master Form Steel fluteless machine tap with oil grooves HSS-E-PM, TiAlN, UNC: 1/4-20
Article no.: 327927
Catalog no.: 139485
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | yes | |
| Series | Master Form | |
| Manufacturer’s designation | GARANT Master Form Steel Maschinen-Gewindeformer mit Schmiernuten | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Shank diameter DS | 7 mm | |
| Thread type | UNC | |
| Nominal diameter of thread (inches) D | 0.25 in | |
| Thread D | 1/4-20UNC-2BX | |
| Thread pitch | 1.27 mm | |
| Turns per inch | 20 | |
| Thread tolerance class | 2BX | |
| Taper lead angle | 12 degrees | |
| Number of teeth | 5 | |
| Twist direction | neutral, straight | |
| Twist angle | 0 degrees | |
| Taper lead form | E | |
| Cutting part version | with lubrication groove and dirt trap groove | |
| Application for type of drilling | through hole; blind hole | |
| To depth (x diameter) | 3; 3 | |
| Number of clamping slots | 5 | |
| Core hole diameter | 5.75 mm | |
| Core hole diameter guideline value | 5.75 mm | |
| Flank angle | 60 degrees | |
| Square-drive width across flats □ | 5.5 mm | |
| Tool material | HSS-E-PM | |
| Machining group | P (steel) | |
| Cutting media, manufacturer’s designation | HSS-E-PM | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Usable length L1 | 19.05 mm | |
| Overall length L | 80 mm | |
| Cutting direction | right-hand cutting | |
| Standard | DIN 2174 | |
| Data carriers | without data carrier | |
| Machining method | thread processing internal (EGI) | |
| Type of product | fluteless tap |
Identification & Classification
| Article number | 327927 | |
| Catalog number | 139485 | |
| EAN / GTIN | 4062406707064 | |
| Manufacturer number | 139485 1/4-20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
38
P
37
P
35
P
27
P
18
P
12
M
12
M
7
N
22
Description
Version:
DIN 2174 (≈ DIN 371 ≤ 3/8; ≈ DIN 376 ≥ 7/16).
The latest generation of high-performance fluteless taps, specially developed for use in steel materials.
Form E (lead-in 1.5 – 2 turns). For deep threads with short lead-in. The thread is tapped almost to the bottom of the hole.
The latest generation of high-performance fluteless taps, specially developed for use in steel materials.
- Optimised polygon geometry for a lower torque.
- Multi-layer HIPIMS coating for high wear resistance.
- HSS-E-PM substrate for exceptional process reliability.
Form E (lead-in 1.5 – 2 turns). For deep threads with short lead-in. The thread is tapped almost to the bottom of the hole.
Application:
For UNC unified coarse threads ASME−B1.1.