| 
Size:
| Bit diameter (mm) |
size of tube
(outside dia. x inside dia.) |
size of segment
(length x thickness x height) |
Number of segments |
| 100 |
98x92 |
25x5.0x10 |
10 |
| 200 |
198x191 |
25x5.5x10 |
20 |
| 300 |
298x290 |
25x6.0x10 |
30 |
| 400 |
398x389 |
25x6.5x10 |
40 |
| 500 |
498x488 |
25x7.0x10 |
50 |
| 600 |
598x587 |
25x7.5x10 |
60 |
| 700 |
698x686 |
25x8.0x10 |
70 |
| 800 |
798x785 |
25x8.5x10 |
80 |
| 900 |
898x884 |
25x9.0x10 |
90 |
| 1000 |
998x983 |
25x9.5x10 |
100 |
Bit length: 1,200mm
Technical specs:
1 - Drilling speed: 1m/hour
2 - Drilling life: granite: 100m/piece; marble: 400~500m/piece
3 - Working RPM: 200~600 r/min
4 - Cooling condition: coolant
Update: Aug. 24, 2007 |