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| Through-coolant | no | |
| Cooling lubricant | no | |
| Series | Clever Tap | |
| Manufacturer’s designation | HOLEX Clever Tap Maschinen-Gewindebohrer UNC 5/16-18 | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Interface coding | ZYL | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder tolerance class | h9 | |
| Shank diameter | 8 mm | |
| Shank length | 90 mm | |
| Holder diameter, ISO tolerance class | 9 mm | |
| Thread type | UNC | |
| Thread | UNC5/16-18 | |
| Thread pitch | 1.411 mm | |
| Turns per inch | 18 | |
| 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 | 6.6 mm | |
| Flank angle | 60 degrees | |
| Square-drive width across flats | 6.2 mm | |
| Tool material | HSS-E | |
| Machining group | P (steel) | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Usable length | 19.85 mm | |
| Overall length | 90 mm | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 371 | |
| Machining method | thread processing internal | |
| Colour ring | without | |
| Type of product | Taps |
| Article number | 2018285 | |
| Catalog number | 137868 | |
| EAN / GTIN | 4067263162346 | |
| Manufacturer number | 137868 5/16-18 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |