Stepped twist drill bit TiAlN
Stepped twist drill bit TiAIN
DRL-STEP-SPRL-HSS-TIALN-(D6-30MM)
ZEBRA
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Particularly suitable for stainless steel
Longer service life
Extremely hard micro surfaces and cutting edges and high temperature resistance up to 800°C.
Faster drilling speeds
Higher possible feed rate and speeds
Precise spot drilling
Self-centring drill tip
Up to 30% faster compared with competitor products
Optimally tailored cutting edge geometry
Up to double the service life compared with competitor products
Reduction of wear on the drill tip and main cutting edges, and on the radial and axial relief grind
No slippage in the drill chuck
3-face shank and 1/4 inch bit holder
Precise working
Laser-inscribed diameters in both spiral grooves
Very little reworking required
Precise and circular drilling holes
Ensure that there is sufficient cooling/lubrication. Make sure that the feed is even. Observe the speed table.
Datasheets(X)
Centring, tapping, drilling and deburring of metal sheets, pipes and profiles in a single work process. Suitable for stainless steels, normal steels, non-ferrous metals such as aluminium, other non-ferrous metals and plastics.
Min./max. drill diameter | 6-30 mm |
Shank diameter | 10 mm |
Shaft length | 23 mm |
Length | 92 mm |
Shank style | 3-face shank |
Surface | TiAlN |
Type description | TiAlN |
| Stepped twist drill bit HSS (plain) art. no.: 0694 422 637, core and through holes for PG threads according to DIN 40430. Spotting drill 6 mm. | ||
| Thread | Core hole diameter mm | Through hole diameter mm |
| PG7 | 11,40 | 12,5 |
| PG9 | 14,00 | 15,2 |
| PG11 | 17,25 | 18,6 |
| PG13.5 | 19,00 | 20,4 |
| PG16 | 21,25 | 22,5 |
| PG21 | 26,75 | 28,3 |
| PG29 | 34,00 | 37 |
| Stepped twist drill bit HSS (plain) art. no.: 0694 422 640 and stepped twist drill bit TiAIN art. no.: 0694 423 640, especially for metric ISO through holes and thread core holes according to DIN 60423. Spotting drill 6 mm. | ||
| Thread | Core hole diameter mm | Through hole diameter mm |
| M10x1.5 | 8,5 | 10,5 |
| M12x1.5 | 10,5 | 12,5 |
| M16x1.5 | 14,5 | 16,5 |
| M20x1.5 | 18,5 | 20,5 |
| M25x1.5 | 23,5 | 25,5 |
| M32x1.5 | 30,5 | 32,5 |
| M40x1.5 | 38,5 | 40,5 |
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