PREFOR

Industrial tools · Refractory

Refractory material

Brazed diamond core bit · roof-top shape for easy starting

Made in
Germany
PREFOR
DiameterØ 10–45 mm
ConnectionR½”, from Ø 25 also 1¼”
Working length320 / 400 mm

Suitable for

Core drilling machinefrom 1.6 kW

Versions

  • Roof-top shape for easy starting
  • High Performance
  • up to Ø 40 mm with ring, from Ø 42 mm with segments
Ø (mm)SegmentsL×W×H (mm)
10Ring10×2.5
12Ring12×2.5
14Ring14×2.5
16Ring16×2.5
18Ring18×2.5
20Ring20×2.5
22Ring22×2.5
24Ring24×2.5
25Ring25×2.5
26Ring26×2.5
28Ring28×2.5
30Ring30×2.5
32Ring32×2.5
35Ring35×2.5
36Ring36×2.5
38Ring38×2.5
40Ring40×2.5
42517×3.0×7
45517×3.0×7
  • Standard working length: 320 and 400 mm.
  • Connection types: R½”, from Ø 25 mm also 1¼”.
  • Application: from 1.6 kW machine power, for electrically driven drill motors.
  • Peripheral speed: approx. 3 m/s.
Enquiries and ordersCustomers can find technical data sheets in the customer area.