{{ name }}
Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
High-precision countersink with unequal spacing 90°, AlTiCN, External ⌀ Dc: 31mm
Article no.: 150389 31
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Interface coding | ZYL01200105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 12 mm | |
| Holder tolerance class | h9 | |
| Shank diameter | 12 mm | |
| Shank length | 43.921 mm | |
| Holder diameter, ISO tolerance class | 12 mm | |
| Cutter diameter, min. | 4.2 mm | |
| Cutter diameter, max. | 31 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| For hole diameter | 4.2 mm | |
| Flute length | 14 mm | |
| Taper length | 13.4 mm | |
| Number of teeth | 3 | |
| Twist direction | right-hand | |
| Helix angle, min. | 20 degrees | |
| Angle, 1st step | 90 degrees | |
| Pilot pin | without guiding pin | |
| Product designation (type) | N | |
| Spacing of the countersink cutting edges | unequal spacing | |
| Tool material | HSS-E | |
| Standard designation for cutting medium, 2nd Priority | P | |
| Standard designation for cutting medium, 3rd Priority | P | |
| Machining group | M (stainless steel) | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Interface | joint 1 | |
| Gauge length | 35.5 mm | |
| Usable length | 35.5 mm | |
| Overall length | 71 mm | |
| Functional length | 13.4 mm | |
| Weight | 112 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 335 C | |
| Machining method | subland drilling | |
| Colour ring | blue | |
| Type of product | countersink | |
| Content | single part |
Identification & Classification
| Article number | 150389 31 | |
| EAN / GTIN | 4062406073350 | |
| Manufacturer number | 150389 31 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
53
N
40
N
35
P
55
P
30
P
25
P
15
P
12
M
18
M
13
S
13
K
30
N
42
Description
Version:
All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Special geometry with unequal spacing and matching cutting edge preparation.
Newly developed AlTiCN coating especially for stainless steels.
Flutes are ground from solid.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Special geometry with unequal spacing and matching cutting edge preparation.
Newly developed AlTiCN coating especially for stainless steels.
Application:
High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.