deep hole drilling head
1. High quality and competitive price
2. Develivery goods in time
3. 1 year warranty time
This BTA drill head adopt imported indexable coating blade, it has the advantage of high efficiency, change blade easily, long service life , low using cost. And it can drill on carbon steel, high strength alloy steel ,stainless steel and so on.
precision of hole diameter IT9-11ã Surface roughnessï¼Ra12.5
Drilling head size |
drilling bar |
Drilling head size |
drilling bar |
28 |
25 |
65 |
56 |
37 |
30 |
70 |
61 |
50 |
43 |
75 |
65 |
55 |
48 |
80ã85ã90ã100 |
70 |
|
|
110ã120 |
90 |