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Solid carbide NC precision spotting drill 142°, uncoated, ⌀ DC h6: 2mm
Article no.: 121068 2
Article code:
Product details
Technical Data
| Tool material | solid carbide | |
| Coating | uncoated | |
| Angle, 1st step | 142 degrees | |
| Cutter diameter, min. Dc min. | 2 mm | |
| Overall length L | 32 mm | |
| Shank diameter DS | 2 mm | |
| Flute length Lc | 5 mm | |
| Tolerance class ISO | h6 | |
| Number of teeth Z | 1 | |
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | no | |
| Manufacturer’s designation | VHM-NC-Präzisions-Anbohrer | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Holder shape | Standard | |
| Length of shank LS | 27 mm | |
| Shank type | HA | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Distance from cutter corner to cutter tip | 1 mm | |
| Twist direction | right-hand | |
| Helix angle, min. | 18 degrees | |
| Product designation (type) | N | |
| Cutting media, manufacturer’s designation | VHM | |
| Interface | joint 1 | |
| Tolerance class | h6 | |
| Gauge length A | 26 mm | |
| Usable length L1 | 5 mm | |
| Weight | 50 g | |
| Cutting direction | right-hand cutting | |
| Standard | Werksnorm | |
| Colour ring | without | |
| Type of product | spotting drill |
Identification & Classification
| Article number | 121068 2 | |
| EAN / GTIN | 4045197647733 | |
| Manufacturer number | 121068 2 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
200
N
180
P
80
Description
Version:
Self-centring with 1-cutter geometry, achieves very high alignment accuracy.
Application:
Point angle 142° so that the cutting edges of the following twist drill engage easily.
Note:
Use the speed for the actual hole ⌀ (not generally the speed for the drill outer ⌀).
Maintain a feed rate f = 0.015 mm/rev!
Maintain a feed rate f = 0.015 mm/rev!