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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Hand tap set, uncoated, UNF: 1/4-28
Article no.: 248056
Catalog no.: 130750
Article code:
Offers
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 0060 mm | |
| Holder tolerance class | h9 | |
| Shank diameter | 6 mm | |
| Thread type | UNF | |
| Thread nominal diameter inch | 0.25 in | |
| Thread | 1/4-28UNF | |
| Number of thread turns | 2 | |
| Thread pitch | 0.907 mm | |
| Turns per inch | 28 | |
| Thread tolerance class | 2B | |
| Taper lead angle | 8 degrees | |
| Twist direction | right-hand | |
| Type of thread-cutting tool | hand tap | |
| Content | plug tap; taper tap | |
| Taper lead form | C; D | |
| Pilot pin | without guiding pin | |
| Application for type of drilling | Through hole; Blind hole | |
| To depth (x diameter) | 3; 3 | |
| Number of clamping slots | 4 | |
| Core hole diameter | 5.5 mm | |
| Flank angle | 60 degrees | |
| Square-drive width across flats | 4.9 mm | |
| Tool material | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Overall length | 50 mm | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 2181 | |
| Machining method | thread processing internal | |
| Colour ring | without | |
| Type of product | Taps |
Identification & Classification
| Article number | 248056 | |
| Catalog number | 130750 | |
| EAN / GTIN | 4045197068224 | |
| Manufacturer number | 130750 1/4-28 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
N
N
P
P
P
K
Description
Version:
2-piece set comprising taper and plug tab.
Application:
For UNF uniform fine threads ASME − B1.1.