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Article code:
EAN / GTIN:
Manufacturer number:
Cat. Nr.:
Centre drill HSS A left-hand, uncoated, Nominal ⌀ DC k12: 4mm
Article no.: 187474
Catalog no.: 111250
Article code:
- Tool material: HSS
- Standard: DIN 333
- Type: A
- Tolerance nominal ⌀: k12
- Countersink angle: 60
Product details
Technical Data
| Coating | uncoated | |
| Tool material | HSS | |
| Standard | DIN 333 | |
| Type | A | |
| Tolerance nominal ⌀ | k12 | |
| Countersink angle | 60 degrees | |
| Cutting direction | left-hand | |
| Shank | Parallel shank to h7 | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| Nominal ⌀ DC | 4 mm | |
| for workpiece ⌀ | 40 − 63 mm | |
| Shank ⌀ Ds | 10 mm | |
| Shank tolerance | h7 | |
| Overall length L | 56 mm | |
| Feed f in steel < 900 N/mm2 | 0.03 mm/rev. | |
| Colour ring | without | |
| Type of product | Centre drill |
Identification & Classification
| Article number | 187474 | |
| Catalog number | 111250 | |
| EAN / GTIN | 4045197000507 | |
| Manufacturer number | 111250 4 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
70
N
45
P
40
P
30
P
25
P
10
P
8
N
80
Description
Version:
Ground from solid and relief-ground.
Left−hand cutting, spiral fluted.
Left−hand cutting, spiral fluted.