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Art. 3250 / 1000

Maximum pressure:12 - 30 bar
Diameters:8'' - 12''

The drilling machine Art. 3250/1000 for holes from ND 8" up to 12" is the light version of the drilling machine Art. 3000/1000 due to the use of some item made on Aluminium/ERGAL, a very high resistance material with 3 time less the weight of the steel.

- These items are:
- support of the motor
- main central screw
- intermediate support
- external metal ring of the flanged hole saw cutter currier
- 4 driven shaft of the support of the motor
Technical features:
- tropicalized Aluminium/ERGAL frame
- central chromium coated and grinded diam. 40 mm
- working traverse: 500 mm + 500 mm
- HSS type hole saw cutter (Art. 305) or with tungsten carbide teeth HSS/CT type (Art. 306)
- HSS type pilot drill diam. 20 mm with coupon retention mechanism (Art. 307)
- Hole saw cutter support for ND 8" - 12" (Art. 308)
- Flanged PN 16 hole saw cutter carrier ( other type on request)
- max working pressure:
standard version: 12 bar
HP version: 30 bar
- Max working temperature: 120 °C
- Manual feeding with manual drilling pressure adjustment
- 400 c.c. hydraulic motor with max. pressure 100 bar and 3-position control lever: forward / stop / backward
- recommended hydraulic power pack Mod. CS/6 or CS/13