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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
NC reamer extra long H7, uncoated, Nominal ⌀ DC: 2mm
Article no.: 162971 2
Article code:
Product details
Technical Data
| Tool material | HSS-E | |
| Coating | uncoated | |
| Colour ring | without | |
| Cutter diameter 1st step min. DC | 2 mm | |
| Overall length L | 87 mm | |
| Usable length L1 | 62 mm | |
| Cutting edge length LC | 12 mm | |
| Gauge length A | 64 mm | |
| Number of teeth | 4 | |
| Shank diameter DS | 2 mm | |
| Helix angle max. | 8 degrees | |
| Type of reaming tool | for through holes and blind holes | |
| Standard | Werksnorm | |
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | yes | |
| Wet maximum | suitable | |
| Manufacturer’s designation | NC-Reibahle extra lang H7 | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL00200105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 2 mm | |
| Holder tolerance class | h6 | |
| Length of shank LS | 20 mm | |
| Oil | suitable | |
| Shank type | HA | |
| Configurable | no | |
| Boring out allowance | 0.05 mm | |
| Hole to be created 1st step, ISO tolerance class | H7 | |
| Hole to be created 1st step, upper dimension | 0.01 mm | |
| Hole to be created 1st step, lower dimension | 0 mm | |
| Tap infeed length | 0.5 mm | |
| Twist direction | left-hand | |
| Adjustment range | setting not possible | |
| Taper lead angle | 30 degrees | |
| Guide elements present | no | |
| Type of drive | machine reamer | |
| Machining group | K (cast iron); M (stainless steel); N (non-ferrous metals); P (steel); S (difficult-to-machine materials) | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Interface | joint 1 | |
| Tolerance class | H7 | |
| Upper dimension of nominal diameter | 0.008 mm | |
| Lower dimension of nominal diameter | 0.004 mm | |
| Functional length | 85.79 mm | |
| Weight | 2 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Data carriers | without data carrier | |
| Machining method | Reiben (BRE) | |
| Type of product | cylindrical reamer | |
| Content | single part |
Identification & Classification
| Article number | 162971 2 | |
| EAN / GTIN | 4062406264550 | |
| Manufacturer number | 162971 2 | |
| 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:
With long flutes and left-hand helix. Reamers finish ground for fit H7.
Application:
Especially for deeper holes. Also suitable for blind holes.