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Manufacturer number:
Solid carbide HPC drill, plain shank DIN 6535 HA, DLC, ⌀ DC h7: 2,31-Xmm
Article no.: 123178 2,31-X
Article code:
- Tool material: solid carbide
- Standard: Manufacturer’s standard
- Version: 12×D
- Type: W
- Tolerance nominal ⌀: h7
Product details
Technical Data
| ⌀ range | 2.31 mm - 2.6 mm | |
| Coating | DLC | |
| Tool material | solid carbide | |
| Standard | Manufacturer’s standard | |
| Version | 12×D | |
| Type | W | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 2 | |
| Point angle | 135 degrees | |
| Shank | DIN 6535 HA to h6 | |
| Through-coolant | yes, with 25 bar | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 40 mm | |
| Overall length L | 81 mm | |
| Shank ⌀ Ds | 4 mm | |
| Feed f in aluminium short-chipping | 0.22 mm/rev. | |
| Colour ring | yellow | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 123178 2,31-X | |
| EAN / GTIN | 4062406080204 | |
| Manufacturer number | 123178 2,31-X | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
250
N
280
N
245
N
105
N
85
N
60
N
55
N
50
N
55
N
120
N
150
N
55
N
55
Description
Version:
DLC coating sp2 of the latest generation with low coefficient of friction results in outstanding chip clearance. For high-performance milling of aluminium materials. High roundness and alignment accuracy of the deep hole, thanks to 6 guide chamfers.
Note:
Flute length LC = L2 + 1.5 × DC.
For process reliability when using the 12×D drill, an initial centre drilling with NC spotting drills No. 121068– 121130 is necessary.
Form HB and HE are supplied at the same price as HA.
Order form HB: with No. 123179.
Order form HE: with No. 123178 + 129100HE.
For process reliability when using the 12×D drill, an initial centre drilling with NC spotting drills No. 121068– 121130 is necessary.
Form HB and HE are supplied at the same price as HA.
Order form HB: with No. 123179.
Order form HE: with No. 123178 + 129100HE.
Delivery time: 12 working weeks
Minimum order quantity: 3 pcs
Items made to order for a specific customer:
Cancellation only up to a maximum of 3 working days after receipt of order acknowledgement. Items cannot be returned. We reserve the right to over-deliver or under-deliver by ±10% (minimum 1 piece).
Minimum order quantity: 3 pcs
Items made to order for a specific customer:
Cancellation only up to a maximum of 3 working days after receipt of order acknowledgement. Items cannot be returned. We reserve the right to over-deliver or under-deliver by ±10% (minimum 1 piece).