Crown core drills

Diamond-Tools-Austria crown core drills are characterised by a particularly stable design and highly reliable drilling behaviour. They offer good tool life, even when used on heavily reinforced materials.

PROPERTIES

  • Usable length: 350 mm
  • Connection: R 1/2˝
  • Drilling ring: laser welded

VERSIONS

  • RU20 – thin-walled
  • RU30 – standard

Special sizes available on request.

Ø RU 20/RU 30
T 2
RU 30
T 2,5
RU 30
T 3
RU 30
T 3,5
8 mm
10 mm
12 mm
14 mm
15 mm
16 mm
18 mm
20 mm
22 mm
24 mm
25 mm
26 mm
28 mm
30 mm
32 mm
35 mm
38 mm
40 mm
42 mm
45 mm
47 mm
50 mm
52 mm

 ∅ in mm, T= wall thickness in mm