Dezhou Hongxin Machine Tool Co., Ltd. specializes in the production of deep hole cutters and drill bits. The drill bit adopts the technology of oil feeder for coolant and internal chip removal. It can drill deep holes on solid materials such as carbon steel and alloy steel with a length diameter ratio of 1:100.
unit：mm
|
drill head size
|
tube size
|
drill head size
|
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
|
|
