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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
HOLEX Clever Tap machine tap, uncoated, UNC: 1/4-20
Article no.: 2018320
Catalog no.: 137868
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 | 7 mm | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 7 mm | |
| Oil | suitable | |
| Cooling lubricant | yes | |
| Series | Clever Tap | |
| Thread type | UNC | |
| Cutter diameter D | 6.35 mm | |
| Nominal diameter of inch thread D | 0.25 in | |
| Thread D | UNC1/4-20 | |
| Thread pitch | 1.27 mm | |
| Turns per inch | 20 | |
| Thread tolerance class | 2B | |
| Taper lead angle | 15 degrees | |
| Number of teeth | 3 | |
| Twist direction | right-hand | |
| Twist angle | 40 degrees | |
| Type of thread-cutting tool | machine tap for conventional machining | |
| Taper lead form | C | |
| Application for type of drilling | blind hole | |
| To depth (x diameter) | 2.5 | |
| Number of clamping slots | 3 | |
| Core hole diameter | 5.1 mm | |
| Core hole diameter guideline value | 5.1 mm | |
| Flank angle | 60 degrees | |
| Reinforced shank | yes | |
| Stepped shank | no | |
| Square-drive width across flats □ | 5.5 mm | |
| Normlänge L | 80 mm | |
| Tool material | HSS-E | |
| Machining group | P (steel) | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Usable length L1 | 15.9 mm | |
| Overall length L | 80 mm | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 371 | |
| Machining method | thread processing internal (EGI) | |
| Colour ring | without | |
| Type of product | taps | |
| Content | single part |
Identification & Classification
| Article number | 2018320 | |
| Catalog number | 137868 | |
| EAN / GTIN | 4067263162339 | |
| Manufacturer number | 137868 1/4-20 | |
| Article class | 12H | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
13
N
13
P
12
P
12
P
6
Description
Version:
HSS-E
Application:
For UNC uniform coarse threads ASME − B1.1.