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EAN / GTIN:
Manufacturer number:
Cat. No.:
High-precision countersink with unequal spacing and 3 drive flats 90°, AlTiCN, External ⌀ Dc: 20,5mm
Article no.: 722920
Catalog no.: 150393
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Präzisions-Kegelsenker mit Ungleichteilung und 3 Spannflächen 90°, AlTiCN, Außen-Dc: 20,5mm | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Interface coding | ZYL01000105 | |
| Holder shape | straight clamping flat | |
| Holder version | metric | |
| Holder size, metric | 10 mm | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 10 mm | |
| Shank length LS | 42.099 mm | |
| Holder diameter, ISO tolerance class | 10 mm | |
| Holder diameter, lower dimension | -0.036 mm | |
| Shank type | HE | |
| Cutter diameter, min. Dc min. | 3.5 mm | |
| Cutter diameter, max. Dc max. | 20.5 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| For hole diameter d | 3.5 mm | |
| Flute length Lc | 9 mm | |
| Taper length | 8.5 mm | |
| Number of teeth Z | 3 | |
| Twist direction | right-hand | |
| 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 | |
| Coating | AlTiN | |
| Interface | joint 1 | |
| Gauge length A | 31.5 mm | |
| Usable length L1 | 20.901 mm | |
| Overall length L | 63 mm | |
| Functional length | 8.5 mm | |
| Weight | 48 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 335 C | |
| Data carriers | without data carrier | |
| Machining method | subland drilling | |
| Colour ring | blue | |
| Type of product | countersink | |
| Content | single part |
Identification & Classification
| Article number | 722920 | |
| Catalog number | 150393 | |
| EAN / GTIN | 4062406277239 | |
| Manufacturer number | 150393 20,5 | |
| 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.
Three drive flats on the shank for use in a 3-jaw chuck.
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.
Three drive flats on the shank for use in a 3-jaw chuck.
Application:
High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.