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Manufacturer number:
Cat. No.:
Solid carbide NC spotting drill 142° extra long spiral flutes, TiAlN, ⌀ DC h6: 3mm
Article no.: 691657
Catalog no.: 121121
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 | |
| Feed f | 0.03 mm/rev. | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL00300105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 3 mm | |
| Dry machining | suitable only under restricted conditions | |
| Type of mounting | spigot | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 3 mm | |
| Length of shank LS | 28 mm | |
| Oil | suitable | |
| Shank type | HA | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | VHM-NC-Anbohrer 142° überlang spiralisiert, TiAlN | |
| Cutter diameter, min. Dc min. | 3 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h6 | |
| Flute length Lc | 8 mm | |
| Distance from cutter corner to cutter tip | 0.516 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 30 degrees | |
| Helix pitch | 16.324 mm | |
| Angle, 1st step | 142 degrees | |
| Product designation (type) | N | |
| Tool material | solid carbide | |
| Machining group | K (cast iron); M (stainless steel); N (non-ferrous metals); P (steel); S (difficult-to-machine materials) | |
| Cutting media, manufacturer’s designation | VHM | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Tolerance class | h6 | |
| Gauge length A | 52 mm | |
| Usable length L1 | 8 mm | |
| Overall length L | 80 mm | |
| Functional length | 0.516 mm | |
| Weight | 5 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | Werksnorm | |
| Machining method | drilling into solid material (BVB) | |
| Colour ring | without | |
| Type of product | spotting drill | |
| Feed in | steel < 1100 N/mm2 | |
| Content | single part |
Identification & Classification
| Article number | 691657 | |
| Catalog number | 121121 | |
| EAN / GTIN | 4062406120825 | |
| Manufacturer number | 121121 3 | |
| Article class | 11E | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
260
N
240
N
200
P
90
P
80
P
65
P
55
M
35
M
30
S
40
K
90
N
200
Description
Version:
Exactly central ground point. Easy spot drilling and high shape accuracy of the centre hole. Sturdy due to short flutes.
Extra long version.
Extra long version.
Application:
Point angle 142° so that the cutting edges of the following twist drill engage easily.