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Manufacturer number:
Cat. No.:
Solid carbide NC spotting drill 90° extra long spiral flutes, TiAlN, ⌀ DC h6: 12mm
Article no.: 207474
Catalog no.: 121051
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 | yes | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Holder shape | Standard | |
| Holder version | metric | |
| Holder size, metric | 12 mm | |
| Type of mounting | spigot | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 12 mm | |
| Shank length LS | 45 mm | |
| Holder diameter, ISO tolerance class | 12 mm | |
| Cutter diameter, min. Dc min. | 12 mm | |
| Cutter diameter, max. Dc max. | 12 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h6 | |
| Flute length Lc | 24 mm | |
| Distance from cutter corner to cutter tip | 6 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 30 degrees | |
| Helix pitch | 65.297 mm | |
| Angle, 1st step | 90 degrees | |
| Point geometry | B | |
| Product designation (type) | N | |
| Tool material | solid carbide | |
| Standard designation for cutting medium, 2nd Priority | solid carbide | |
| Standard designation for cutting medium, 3rd Priority | solid carbide | |
| Cutting media, manufacturer’s designation | VHM | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Gauge length A | 125 mm | |
| Usable length L1 | 24 mm | |
| Overall length L | 170 mm | |
| Functional length | 6 mm | |
| Weight | 278 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | Werksnorm | |
| Machining method | drilling into solid material | |
| Colour ring | without | |
| Type of product | spotting drill | |
| Content | single part |
Identification & Classification
| Article number | 207474 | |
| Catalog number | 121051 | |
| EAN / GTIN | 4062406120740 | |
| Manufacturer number | 121051 12 | |
| 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 90° for spot drilling and countersinking in one operation when a drill of smaller ⌀ is used afterwards.