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Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Machine tap HSS-E Form C, vaporised, M: M20
Article no.: 643906
Catalog no.: 135855
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Interface coding | ZYL01002100; ZYL01602100 | |
| Holder shape | straight clamping flat | |
| Type of mounting | spigot | |
| Holder tolerance class | h9 | |
| Shank diameter | 16 mm | |
| Shank length | 69 mm | |
| Holder diameter, ISO tolerance class | 16 mm | |
| Thread type | M | |
| Thread nominal diameter metric | 20 mm | |
| Thread | M20 | |
| Thread pitch | 2.5 mm | |
| Thread tolerance class | ISO 2 6H | |
| Chisel edge diameter | 17.4 mm | |
| Width across flats | 12 mm | |
| Length of tapping part | 29.3 mm | |
| Tap infeed length | 6.25 mm | |
| Taper lead angle | 15 degrees | |
| Number of teeth | 4 | |
| 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) | 3 | |
| Number of clamping slots | 4 | |
| Core hole diameter | 17.5 mm | |
| Flank angle | 60 degrees | |
| Square-drive width across flats | 12 mm | |
| Tool material | HSS-E | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Coating | vaporised | |
| Interface | joint 1 | |
| Gauge length | 140 mm | |
| Usable length | 70 mm | |
| Overall length | 140 mm | |
| Weight | 184 g | |
| Cutting direction | right-hand cutting | |
| Standard | DIN 371 | |
| Machining method | thread processing internal | |
| Colour ring | green | |
| Type of product | Taps |
Identification & Classification
| Article number | 643906 | |
| Catalog number | 135855 | |
| EAN / GTIN | 4045197822031 | |
| Manufacturer number | 135855 M20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
11
P
12
P
8
P
7
P
4
M
4
N
12
Description
Version:
Form E (2−3 turns lead chamfer).