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Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
HOLEX Pro Tap machine tap HSS-E Form C, TiN, G: G3/8
Article no.: 178337
Catalog no.: 137806
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 | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Holder shape | smooth shank with square drive | |
| Holder version | metric | |
| Holder size, metric | 12 mm | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 12 mm | |
| Oil | suitable | |
| Cooling lubricant | yes | |
| Series | Pro Tap | |
| Manufacturer’s designation | HOLEX Pro Tap Maschinen-Gewindebohrer HSS-E Form C, TiN, G: G3/8 | |
| Thread type | G | |
| Cutter diameter D | 16.66 mm | |
| Nominal diameter of inch thread D | 0.375 in | |
| Thread D | G3/8 | |
| Thread pitch | 1.337 mm | |
| Turns per inch | 19 | |
| Taper lead angle | 11.14 degrees | |
| Number of teeth | 2 | |
| Twist direction | right-hand | |
| Twist angle | 40 degrees | |
| Type of thread-cutting tool | machine tap for dynamic machining | |
| Taper lead form | C | |
| Application for type of drilling | blind hole | |
| To depth (x diameter) | 2.5 | |
| Number of clamping slots | 2 | |
| Core hole diameter | 15.25 mm | |
| Core hole diameter guideline value | 15.25 mm | |
| Flank angle | 55 degrees | |
| Square-drive width across flats □ | 9 mm | |
| Normlänge L | 100 mm | |
| Tool material | HSS-E | |
| Machining group | M (stainless steel); N (non-ferrous metals); P (steel) | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Coating | TiN | |
| Interface | joint 1 | |
| Usable length L1 | 41.65 mm | |
| Overall length L | 100 mm | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 5156 | |
| Machining method | thread processing internal (EGI) | |
| Colour ring | green | |
| Type of product | taps | |
| Content | single part |
Identification & Classification
| Article number | 178337 | |
| Catalog number | 137806 | |
| EAN / GTIN | 4062406374730 | |
| Manufacturer number | 137806 G3/8 | |
| Article class | 12I | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
24
N
25
N
10
P
24
P
20
P
15
P
8
M
8
N
15
Description
Version:
HOLEX Pro Tap general-purpose tap. Sturdy design suitable for a wide spectrum of materials. Improved HSS-E tool material with low-friction TiN coating.
Application:
For Whitworth parallel pipe threads DIN-ISO 228/1 (threads that do not form a seal within the connection).