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Solid carbide drill plain shank DIN 6535 HA 180° 20 mm
Article no.: 122506 20
Article code:
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Plain shank DIN 6535 HA
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With cutting edge chamfer (= 5% of the nominal ⌀)
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- Tool material: Solid carbide
- Standard: Manufacturer’s standard
- Version: 3×D
- Tolerance nominal ⌀: m7
- Number of cutting edges Z: 2
Product details
Technical Data
| Nominal ⌀ DC | 20 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | Manufacturer’s standard | |
| Version | 3×D | |
| Tolerance nominal ⌀ | m7 | |
| Number of cutting edges Z | 2 | |
| Point angle | 180 degrees | |
| recommended maximum drilling depth L2 | 47 mm | |
| Shank | DIN 6535 HA to h6 | |
| Use for drilling | limited convexity; limited cross-drilling; limited oblique spot drilling | |
| Through-coolant | yes, with 25 bar | |
| Pilot drill required | yes, pilot drill | |
| Semi-Standard | yes | |
| Flute length Lc | 77 mm | |
| Overall length L | 129 mm | |
| Shank ⌀ Ds | 20 mm | |
| Shank tolerance | h6 | |
| Feed f in steel < 900 N/mm2 | 0.23 mm/rev. | |
| Colour ring | green | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 122506 20 | |
| EAN / GTIN | 4045197647498 | |
| Manufacturer number | 122506 20 |
Application Table
P
85
P
75
P
60
P
50
M
45
K
90
Description
Version:
Special point geometry for generating 180° flat-bottomed holes. Low radial forces even when spot drilling on faces with up to 45° slope. Flute geometry for optimum chip evacuation. With 4 guide chamfers to stabilise the drill in the hole.
Advantage:
The 180° point angle permits drilling and counterboring in a single operation.
Recommendation:
When using the solid carbide 180° drill it is absolutely essential for process reliability:
- when spot drilling on flat surfaces to drill a pilot hole 1×D using pilot drill No. 122736.
- when spot drilling on sloping surfaces up to 15° : reduce the feed rate f to 50 %, up to 30°: reduce the feed rate f to 40 % and up to 45°: reduce the feed rate f to 25 % of the stated value. After spot drilling, the normal feed rate value can be used.
Note:
Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122506 + 129100HB .
Form HE: order with No. 122506 + 129100HE.
180° solid carbide drills for machining aluminium available on request.
Not suitable for generating counterbores for socket-head screws to DIN974-1.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122506 + 129100HB .
Form HE: order with No. 122506 + 129100HE.
180° solid carbide drills for machining aluminium available on request.
Not suitable for generating counterbores for socket-head screws to DIN974-1.
Downloads & documents
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| Semi-Standard | yes | yes | yes |
| Colour ring | green | green | green |
| Overall length L | 129 | 153 | 151 |
| Standard | Manufacturer’s standard | DIN 6537 | Manufacturer’s standard |
| Shank tolerance | h6 | h6 | h6 |
| Feed f in steel < 900 N/mm2 | 0.23 | 0.3 | 0.23 |
| Shank ⌀ Ds | 20 | 20 | 20 |