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Cat. Nr.:
Stepped centre drill for tapping holes, HSS-E A, uncoated, for threads: M12
Article no.: 111310 M12
Article code:
- Tool material: HSS E
- Standard: DIN 332/2
- Type: A
- Tolerance nominal ⌀: 0 / -0.05
- Countersink angle: 60
Product details
Technical Data
| Coating | uncoated | |
| Tool material | HSS E | |
| Standard | DIN 332/2 | |
| Type | A | |
| Tolerance nominal ⌀ | 0 / -0.05 | |
| Countersink angle | 60 degrees | |
| Cutting direction | right-hand | |
| Shank | Parallel shank to h7 | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| Nominal ⌀ DC | 10.2 mm | |
| ⌀ D1 1st step with chamfer ±0.05 | 13 mm | |
| ⌀ D2 2nd step | 20 mm | |
| Step height L1 1st step | 28 mm | |
| Step height L2 2nd step | 34.5 mm | |
| for workpiece ⌀ | 210 − 250 mm | |
| Shank ⌀ Ds | 20 mm | |
| Overall length L | 105 mm | |
| Feed f in steel < 900 N/mm2 | 0.2 mm/rev. | |
| Colour ring | without | |
| Type of product | Centre drill |
Identification & Classification
| Article number | 111310 M12 | |
| EAN / GTIN | 4062406101930 | |
| Manufacturer number | 111310 M12 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
65
N
65
N
60
P
28
P
30
P
30
P
9
P
7
M
7
K
28
N
35
Description
Version:
Stepped centre drill for tapping holes to Form A.
For combined production of centring, entry chamfer and tapping hole all in a single operation.
For combined production of centring, entry chamfer and tapping hole all in a single operation.