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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Carbide machine reamer H7, uncoated, Nominal ⌀ DC: 8mm
Article no.: 249773
Catalog no.: 164500
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | no | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Interface coding | ZYL00800105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 0080 mm | |
| Holder tolerance class | h9 | |
| Shank diameter | 8 mm | |
| Shank length | 36 mm | |
| Cutter diameter 1st step min. | 8 mm | |
| Configurable | no | |
| Hole to be created 1st step, ISO tolerance class | H7 | |
| Hole to be created 1st step, upper dimension | 0.015 mm | |
| Hole to be created 1st step, lower dimension | 0 mm | |
| Cutting edge length | 33 mm | |
| Tap infeed length | 0.7 mm | |
| Number of teeth | 6 | |
| Twist direction | left-hand | |
| Helix angle max. | 8 degrees | |
| Graduation | extremely unequal | |
| Type of reaming tool | for through holes | |
| Type of drive | machine reamer | |
| Tool material | solid carbide | |
| Machining group | K (cast iron); N (non-ferrous metals); P (steel) | |
| Cutting media, manufacturer’s designation | VHM | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length | 81 mm | |
| Usable length | 77 mm | |
| Overall length | 117 mm | |
| Functional length | 76.3 mm | |
| Weight | 36 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | DIN 8093 | |
| Data carriers | without data carrier | |
| Colour ring | without | |
| Type of product | cylindrical reamer | |
| Content | single part |
Identification & Classification
| Article number | 249773 | |
| Catalog number | 164500 | |
| EAN / GTIN | 4045197252050 | |
| Manufacturer number | 164500 8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
35
N
30
P
20
P
13
P
10
P
8
P
6
M
10
N
20
Description
Version:
Long flutes, left-hand helix.
Extremely irregular spacing (EU) from size 2.
This ensures that the reamed bore is absolutely round and free from chatter marks.
Extremely irregular spacing (EU) from size 2.
This ensures that the reamed bore is absolutely round and free from chatter marks.
Application:
On stable, low vibration machines. Longer tool life and better dimensional accuracy than HSS reamers.
Tool material:
Sizes 1 − 13 solid carbide.
Sizes 14 − 16 with carbide inserts, supported by hard nitrided steel guide chamfers.
Sizes 14 − 16 with carbide inserts, supported by hard nitrided steel guide chamfers.