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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Solid carbide jobber drill extra short, uncoated, ⌀ DC h7: 7,4mm
Article no.: 250022
Catalog no.: 122100
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 | 0074 mm | |
| Shank diameter | 7.4 mm | |
| Shank length | 40 mm | |
| Shank type | HA | |
| Cutter diameter, min. | 7.4 mm | |
| Cutter diameter, max. | 7.4 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h7 | |
| Flute length | 34 mm | |
| Distance from cutter corner to cutter tip | 2.3 mm | |
| Number of teeth | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 32 degrees | |
| Angle, 1st step | 118 degrees | |
| Point geometry | N | |
| Type of drilling tool | centre drill, double-sided | |
| Product designation (type) | N | |
| Tool material | solid carbide | |
| Cutting media, manufacturer’s designation | VHM | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length | 39 mm | |
| Usable length | 25 mm | |
| Overall length | 74 mm | |
| Functional length | 71.7 mm | |
| Weight | 8 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | DIN 6539 | |
| Data carriers | without data carrier | |
| Machining method | drilling into solid material | |
| Colour ring | without | |
| Type of product | indexable drill | |
| Content | single part |
Identification & Classification
| Article number | 250022 | |
| Catalog number | 122100 | |
| EAN / GTIN | 4045197039750 | |
| Manufacturer number | 122100 7,4 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
200
N
140
N
140
P
70
P
70
P
60
P
40
P
25
M
20
M
20
S
15
N
140
Description
Version:
Similar to DIN 6539 (extra short).
Nominal ⌀ and shank ⌀ equal.
Nominal ⌀ and shank ⌀ equal.
Note:
Flute length LC = L2 + 1.5 × DC.
Non slip clamping in drill chuck No. 341050 with diamond coated jaws.
Non slip clamping in drill chuck No. 341050 with diamond coated jaws.