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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Machine reamer H7, uncoated, Nominal ⌀ DC: 50mm
Article no.: 216769
Catalog no.: 164000
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 | |
| Cooling lubricant | no | |
| Interface position | on the machine | |
| Holder type | morse taper MT | |
| Interface coding | MKG00402085 | |
| Holder shape | with longitudinal and cross-slot | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 0040 | |
| Type of mounting | spigot | |
| Shank length | 124 mm | |
| Upper dimension of nominal diameter | 0.012 mm | |
| Lower dimension of nominal diameter | 0.021 mm | |
| Cutter diameter 1st step min. | 50 mm | |
| Configurable | no | |
| Boring out allowance | 0.5 mm | |
| Hole to be created 1st step, ISO tolerance class | H7 | |
| Cutting edge length | 86 mm | |
| Tap infeed length | 1.1 mm | |
| Number of teeth | 12 | |
| Twist direction | left-hand | |
| Helix angle max. | 7 degrees | |
| Graduation | unequal spacing | |
| Taper lead angle | 45 degrees | |
| Type of reaming tool | for through holes | |
| Type of drive | machine reamer | |
| Tool material | HSS-E | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length | 226.5 mm | |
| Usable length | 219 mm | |
| Overall length | 344 mm | |
| Weight | 2,900 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 208 B | |
| Colour ring | without | |
| Type of product | cylindrical reamer | |
| Content | single part |
Identification & Classification
| Article number | 216769 | |
| Catalog number | 164000 | |
| EAN / GTIN | 4045197092144 | |
| Manufacturer number | 164000 50 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
20
N
20
P
15
P
10
P
7
P
5
P
4
M
5
M
5
S
5
K
5
N
13
Description
Version:
Even number of teeth with irregular spacing. The hole is accurately round and free of chatter marks. The cylindrical ground land on the plain cutting section smooths the hole and guides the reamer. With Morse taper shank.
Reamers finish ground for fit H7.
Reamers finish ground for fit H7.
Application:
For reaming through holes, as the chips are evacuated in the cutting direction. Also suitable for blind holes due to the short chamfer lead.