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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
High-precision countersink, long, with 3 drive flats 90°, TiAlN, External ⌀ Dc: 31mm
Article no.: 699771
Catalog no.: 150376
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 | no | |
| Manufacturer’s designation | Präzisions-Kegelsenker, lang, mit 3 Spannflächen | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Holder shape | Standard | |
| Shank diameter DS | 12 mm | |
| Length of shank LS | 113 mm | |
| Cutter diameter, min. Dc min. | 4.2 mm | |
| Cutter diameter, max. Dc max. | 31 mm | |
| Configurable | no | |
| Flute length Lc | 22.6 mm | |
| Taper length | 13.4 mm | |
| Number of teeth Z | 3 | |
| Twist direction | neutral, straight | |
| Helix angle, min. | 0 degrees | |
| Angle, 1st step | 90 degrees | |
| Pilot pin | without guiding pin | |
| Guide elements | without guide elements | |
| Spacing of the countersink cutting edges | extremely unequal | |
| Tool material | HSS | |
| Standard designation for cutting medium, 2nd Priority | HSS | |
| Standard designation for cutting medium, 3rd Priority | HSS | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Gauge length A | 26.5 mm | |
| Usable length L1 | 26.5 mm | |
| Overall length L | 140 mm | |
| Functional length | 91 mm | |
| Weight | 153 g | |
| Cutting direction | right-hand cutting | |
| Standard | Werksnorm | |
| Machining method | profile countersinking (SPR) | |
| Colour ring | green | |
| Type of product | countersink | |
| Content | single part |
Identification & Classification
| Article number | 699771 | |
| Catalog number | 150376 | |
| EAN / GTIN | 4062406066055 | |
| Manufacturer number | 150376 31 | |
| Article class | 11M | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
75
N
75
N
50
P
65
P
50
P
30
P
18
P
8
H
8
M
16
M
10
S
12
K
25
N
60
N
Description
Version:
All countersinks have 3 cutting edges, radially relief ground. Flutes ground from solid.
High-precision countersink, produced to tight manufacturing tolerances similar to DIN335-C, with long plain shank.
Special geometry with extremely unequal spacing and matching cutting edge preparation.
Newly developed, special TiAlN coating for long tool life.
Three drive flats on the shank for use in a 3-jaw chuck.
High-precision countersink, produced to tight manufacturing tolerances similar to DIN335-C, with long plain shank.
Special geometry with extremely unequal spacing and matching cutting edge preparation.
Newly developed, special TiAlN coating for long tool life.
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.