Steel Drilling
In response to the demand for high efficiency in machining processes, Ju Feng is committed to providing customers with steel drilling services.
In recent years, Ju Feng has acquired several sets of high-speed metal drilling machines (including trepanning drilling, center drilling, and fast drilling…etc.) to meet customer’s needs. With computerized automation, the ability to drill the hole with the diameter from 3 to 300mm and a depth between 0 and 490mm capacity. The steel drilling services we provide to our customers, can help them to reduce a lot of the production time. In addition to meeting all customer specifications, it can also help customers achieve substantial cost benefits.
Features of Steel Material Drilling Service
- Rapidity.
- Quality.
- High Efficiency.
- Time & Cost Saving.
- Customer-oriented Service.
Drilling Size and Length
Fast drilling: the hole of diameter from 13mm~70mm.
| Depth | Drilling specification | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
3 times its diameter |
13 | 14 | 15 | 16 | 17.5 | 20 | 21 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 32 | 35 | 37 | 38 | 40 | |
| 42 | 43 | 44 | 45 | 48 | 50 | 52 | 54 | 55 | 57 | |
| 60 | 65 | 70 | 75 | 78 | 80 | 90 | ||||
|
4 times its diameter |
18 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 32 |
| 33 | 35 | 40 | 45 | 46 | 48 | 50 | 55 | 65 | 70 | |
Trepanning drilling: the hole of diameter from 70mm~300mm.
| Drilling specification | ||||||
|---|---|---|---|---|---|---|
| 70 | 75 | 78 | 80 | 84 | 85 | 90 |
| 95 | 100 | 105 | 110 | 115 | 120 | 125 |
| 130 | 135 | 140 | 145 | 150 | 155 | 160 |
| 165 | 170 | 175 | 180 | 185 | 190 | 195 |
| 200 | 210 | 220 | 230 | 240 | 250 | 260 |
| 270 | 280 | 290 | 300 | |||
Gundrill: drillable hole diameter from 3mm~40mm, length up to 1500mm.
| Drilling specification | ||||||
|---|---|---|---|---|---|---|
| 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 |
| 6.35 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 |
| 10 | 10.5 | 11 | 12 | 12.5 | 12.7 | 13 |
| 14 | 14.5 | 15 | 16 | 18 | 20 | 22 |
| 24 | 25 | 25.4 | 26 | 27 | 30 | 32 |
| 34 | 35 | 38 | 40 | |||
- Video
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CNC Drilling Service - Ju Feng operates double-sided drilling.
CNC Drilling Service - Ju Feng trepanning drilling service.
CNC Drilling Service - Ju Feng drilling service without sizes limited.
CNC Drilling Service - Ju Feng provides the steel drilling service for customers.
CNC Drilling Service- Ju Feng provides gun drilling service for customers.


