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EAN / GTIN:
Manufacturer number:
GARANT Master Steel SPEED solid carbide drill, plain shank DIN 6535 HB, TiAlN, ⌀ DC h7: 7,7mm
Article no.: 122426 7,7
Article code:
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Weldon shank DIN 6535 HB
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- Tool material: solid carbide
- Standard: DIN 6537 K
- Version: 4×D
- Tolerance nominal ⌀: h7
- Number of cutting edges Z: 2
Product details
Technical Data
| Series | Master Steel | |
| Nominal ⌀ DC | 7.7 mm | |
| Coating | TiAlN | |
| Tool material | solid carbide | |
| Standard | DIN 6537 K | |
| Version | 4×D | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 2 | |
| Point angle | 135 degrees | |
| recommended maximum drilling depth L2 | 29.5 mm | |
| Shank | DIN 6535 HB to h6 | |
| Through-coolant | Yes, with 25 bar | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 41 mm | |
| Overall length L | 79 mm | |
| Shank ⌀ Ds | 8 mm | |
| Shank tolerance | h6 | |
| Feed f in steel < 1100 N/mm2 | 0.22 mm/rev. | |
| Colour ring | green | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 122426 7,7 | |
| EAN / GTIN | 4045197791702 | |
| Manufacturer number | 122426 7,7 |
Application Table
P
220
P
200
P
180
P
170
P
90
M
75
K
160
K
130
Description
Version:
Developed for use with very high cutting speeds. Outstandingly suitable for machines with low installed power and high speeds.
A slim chisel point and the special arrangement of the 4 guide chamfers ensure high positioning and alignment accuracy. Optimised micro-geometry for increased working life and performance capability.
- Clear reduction in cutting forces due to special cutter geometry.
- Coating for best wear resistance even at high process temperatures.
- Polished flutes for good chip clearance.
A slim chisel point and the special arrangement of the 4 guide chamfers ensure high positioning and alignment accuracy. Optimised micro-geometry for increased working life and performance capability.
Note:
Flute length LC = L2 + 1.5 × DC.