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Manufacturer number:
HOLEX Pro Steel high-precision countersink with unequal spacing 90°, TiAlN, External ⌀ Dc: 31mm
Article no.: 150182 31
Article code:
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Three-flute countersinks for accurate centring.
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- Countersink tip angle: 90
- Tool material: HSS
- Spacing of the countersink cutting edges: unequal spacing
- Number of cutting edges Z: 3
- Standard: DIN 335 C
Product details
Technical Data
| External ⌀ | 31 mm | |
| Coating | TiAlN | |
| Countersink tip angle | 90 degrees | |
| Tool material | HSS | |
| Spacing of the countersink cutting edges | unequal spacing | |
| Number of cutting edges Z | 3 | |
| Standard | DIN 335 C | |
| Shank | Plain shank with h9 | |
| Through-coolant | no | |
| smallest countersink ⌀ for holes from | 4,2 mm | |
| Overall length L | 71 mm | |
| Shank ⌀ Ds | 12 mm | |
| for countersunk screws DIN 7991 | M16 | |
| Feed f in steel < 500 N/mm2 | 0,2 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | green | |
| Series | Pro Steel | |
| Type of product | Stepped drill and countersink |
Identification numbers & Classifications
| Article number | 150182 31 | |
| EAN / GTIN | 4062406524333 | |
| Manufacturer number | 150182 31 |
Application Table
N
75
N
70
P
50
P
40
P
20
P
15
H
8
M
18
M
15
S
12
K
20
N
20
Description
Version:
All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
HOLEX Pro Steel:
Flutes are ground from solid.
HOLEX Pro Steel:
- Exact machining results in manual and machine use.
- Chatter-free running through extremely unequal spacing of the cutting edges for high-quality surfaces.
- Optimum tool life thanks to TiALN high-performance coating.
- High process reliability due to optimised chip evacuation.
- Attractive cost/benefit ratio.
Application:
High-precision countersink for chatter-free 90° countersinking.