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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Solid carbide short stepped drill 90°, TiAlN, for threads: M3,5F
Article no.: 392426
Catalog no.: 125050
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | VHM-Kernloch-Kurzstufenbohrer 90° für Gewinde M3,5F | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL00600100 | |
| Holder shape | Standard | |
| Shank diameter DS | 6 mm | |
| Length of shank LS | 36 mm | |
| Shank type | HA | |
| Cutter diameter, min. Dc min. | 3.25 mm | |
| Cutter diameter, max. Dc max. | 4 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 | 3.25 mm; 4 mm | |
| Step length L3 | 9.6 mm | |
| Flute length Lc | 24 mm | |
| Distance from cutter corner to cutter tip | 0.59 mm | |
| Number of teeth Z | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 27 degrees | |
| Angle, 1st step | 140 degrees | |
| Step angle | 90 degrees | |
| Product designation (type) | N | |
| Tool material | solid carbide | |
| Cutting media, manufacturer’s designation | VHM TIALN | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Tolerance class | h8 | |
| Gauge length A | 30 mm | |
| Usable length L1 | 10.57 mm | |
| Overall length L | 66 mm | |
| Functional length | 65.41 mm | |
| Weight | 18 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | DIN 8378 | |
| 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 | 392426 | |
| Catalog number | 125050 | |
| EAN / GTIN | 4045197265531 | |
| Manufacturer number | 125050 M3,5F | |
| 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 8378. Tight concentricity tolerances between drill and counterbore ⌀ guarantee exact alignment.
Application:
Particularly suitable for NC machines and automatic machines. For drilling tapping holes to DIN 336 sheet 1 with 90° countersinking. In the following operation, the tap therefore does not have to cut into the sharp edge of the hole.
Sizes F: Tapping holes for the following fluteless taps.
Sizes F: Tapping holes for the following fluteless taps.