China 100mm BTA Drill Head for Deep Hole Drilling BTA Tool, Find details about China Single Tube BTA, BTA Drill from 100mm BTA Drill Head for Deep Hole Drilling BTA Tool
Specification:
Bit specification bit specification | drill tube size | Bit specification bit specification | drill tube size |
17.8-19.5 | 16 | 43 45 47 | 40 |
19.51-21.99 | 17.5 | 48 50 52 | 43 |
22-24.99 | 20 | 55 | 48 |
25-26.99 | 23 | 57 58 60 | 52 |
27-29.99 | 25 | 62 63 65 | 56 |
30-31.99 | 27 | 68 70 72 | 61 |
34.5-35 | 30 | 75 | 65 |
38-42 | 35 | 80 | 70 |