3
19
3,0
2,0
7
2,5
7
8,0 1,8
5,0
5,0 d 1 d 1
NO 28 255
Diamond twist drills
With natural diamond
dust for drilling precious
stones (pearls, coral, tur-
quoise). Shafts 2.35mm.
l 2
l
1
d 1
5,0
5,
0
2,3 2,3 1,2
4,0
2,1
2,3
NO 28 758 NO 28 759 NO 28 761 NO 28 760 NO 28 750 NO 28 752
Tungsten carbide millers
Made of wear-resistant tungsten. Used for vibration-free milling of high accuracy dimensions. It is advisable to secu-
re workpieces well, avoiding accidents. For technical work on extremely hard materials: chrome-cobalt alloy, steel,
non-ferrous metals, plastics. May be used for engraving and milling of PC cards.
NO 28 830
Metal cutting blades
Spring steel, 0.1mm thick. For non-
ferrous metals, plastic and wood.
Shaft 2.35mm
NO 28 840 NO 28 842
Diamond cutting disc
Only 0.6mm thick. For cutting very hard materials such as steel, porce-
lain, fibreglass, non-ferrous metals. Arbor 2.35mm.
2,0 8,0 1,8 5,0 1,0 1,8
7 5
2,5 2,5
1,0 1,5 2,0 1,0 u. 1,2 0,6 u. 0,8 0,8 u. 1,2
38 38 30 30 44
388 8 8 35
5,0
2,3
2,1
1,2
2,3
2,3
5,0
5,0
d1
1,0 2,0
16
20
19
22
1,8
1,8
1,8
2,3 2,3
3,1
2,3
44
3,0
12
4,0
NO 28 324 NO 28 326 NO 28 328
Hard microdrills
Made of tungsten for optimum lifetime. For drilling glass, semi-precious stones, porcelain,
ceramics, marble and other hard stones. With ideal cutting angle of 6°. Shaft of 3mm.
NO 28 320 NO 28 321
Tungsten carbide milling drills (Speardrill)
For drilling, milling and cutting fibre glass or
PERTINAX circuit boards. Also for drilling pearls
and similar. Shaft 2.35mm.
cast iron, steel,
NO 28 710
expectancy. All shafts 2.35 or 3.0mm. For use on
NO 28 818
unbreakable, making it usable to remove
and even wood and plastics.
NO 28 270 NO 28 272
Silicon carbide grinding bits
Fine particles of consistent hardness for engraving and frosting of
glass, ceramics and stellites. Also for use on cast steel, cast iron
and other hard steels. All shafts 2.35mm.
NO 28 240 NO 28 250 NO 28 212 NO 28 222
Diamond grinding bits
With consistently even coating of diamond dust. Shafts of 2.35mm made
from stainless steel. Used for grinding and engraving hard materials: steel
(even chrome-cobalt alloy), glass, ceramics, porcelain, plastics.
2,35 2,35 2,352,35
2,3
38
38
1,8
38
1,8
5 x
3,0
1 St. 1 St. 1 St. 1 St.
38
1,8
