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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Stub drill HSS-E, TiAlN, ⌀ DC h8: 8,8mm
Article no.: 721974
Catalog no.: 113265
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 0088 mm | |
| Shank diameter | 8.8 mm | |
| Holder diameter, ISO tolerance class | 6 mm | |
| Cutter diameter, min. | 8.8 mm | |
| Cutter diameter, max. | 8.8 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Tolerance class ISO | h8 | |
| Body diameter | 8.8 mm | |
| Flute length | 40 mm | |
| Distance from cutter corner to cutter tip | 2.7 mm | |
| Number of teeth | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 38 degrees | |
| Helix pitch | 0 mm | |
| Angle, 1st step | 118 degrees | |
| Point geometry | C | |
| Type of drilling tool | centre drill, single-sided | |
| Product designation (type) | N | |
| Tool material | HSS-E | |
| Standard designation for cutting medium, 2nd Priority | HSS-E | |
| Machining group | K (cast iron); M (stainless steel); N (non-ferrous metals); P (steel) | |
| Cutting media, manufacturer’s designation | HSCO/ FIRE | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Gauge length | 45 mm | |
| Usable length | 32 mm | |
| Overall length | 84 mm | |
| Functional length | 81.3 mm | |
| Weight | 26 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 1897 | |
| Data carriers | without data carrier | |
| Machining method | drilling into solid material | |
| Colour ring | green | |
| Type of product | indexable drill | |
| Content | single part |
Identification & Classification
| Article number | 721974 | |
| Catalog number | 113265 | |
| EAN / GTIN | 4062406235383 | |
| Manufacturer number | 113265 8,8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
75
N
65
N
60
P
50
P
40
P
35
P
16
M
17
M
13
S
8
K
40
N
50
Description
Version:
High concentricity and special chip flutes ensure precise bores.
With point geometry shape C from size 2.4 mm.
With point geometry shape C from size 2.4 mm.
Advantage:
Ideal for drilling shallow holes (approx. 2 - 4×D) on NC machines and automatic machines.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.