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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Solid carbide short stepped drill 180°, TiAlN, for screws: M3
Article no.: 311869
Catalog no.: 125120
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 | |
| Interface coding | ZYL00600105 | |
| Holder shape | Standard | |
| Holder version | metric | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 6 mm | |
| Length of shank LS | 36 mm | |
| Cutter diameter, min. Dc min. | 3.4 mm | |
| Cutter diameter, max. Dc max. | 6 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| Number of steps | 2 | |
| Index of step | 1; 2 | |
| Cutter diameter step Dc | 3.4 mm; 6 mm | |
| Step length L3 | 9 mm | |
| Step angle | 180 degrees | |
| Flute length Lc | 28 mm | |
| Distance from cutter corner to cutter tip | 0.61 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 15 degrees | |
| Angle, 1st step | 140 degrees | |
| Step angle | 180 degrees | |
| Product designation (type) | N | |
| Application for type of drilling | through hole | |
| Tool material | solid carbide | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Tolerance class | h8 | |
| Gauge length A | 28 mm | |
| Usable length L1 | 21 mm | |
| Overall length L | 64 mm | |
| Functional length | 63.39 mm | |
| Weight | 20 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | DIN 8376 | |
| Machining method | drilling into solid material (BVB); profile drilling (BPB) | |
| Colour ring | without | |
| Type of product | stepped drill | |
| Content | single part |
Identification & Classification
| Article number | 311869 | |
| Catalog number | 125120 | |
| EAN / GTIN | 4045197065018 | |
| Manufacturer number | 125120 M3 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
260
N
180
N
180
P
90
P
90
P
90
P
60
P
35
M
35
M
30
S
25
K
110
N
180
Description
Version:
Very sturdy− step length to DIN 8376. Tight concentricity tolerances between drill and counterbore ⌀ guarantee exact alignment.
Application:
For screw through holes to DIN-ISO 273 and counterbores to DIN 74, sheet 2 form H, J, and K, medium version. For screws to DIN 912, 6912, and 7984, ISO 1207 (DIN 84).