7D Tungsten Steel Spiral Flute Indexable Carbide Drill Bit Deep Hole Drilling Tools
Product Description:
Independent Drill Tip with Good Integrity and High Precision
Our drill tip boasts an independent design that promotes excellent integrity when used. It also ensures the precision and smoothness of any hole wall that it makes after processing. This design guarantees maximum efficiency for your drilling tasks.
Internal Cooling Structure for Fully Cooled Drill Tip During Processing
In addition to its excellent design, our drill features an internal cooling structure specially designed to keep the drill tip at an optimal temperature during processing. This cooling structure ensures that the drill tip stays cool at all times, mitigating the risks of overheating and damage. With our drill, you can work with peace of mind, knowing that it will maintain its precision and performance for longer.
Features:
- Product Name: Crown Drill Bit
- Type: Indexable Drill Bit
- Material: Tungsten Steel
- Country Of Origin: China
- Flute Type: Spiral
- Length: 7D
- Other Names: Crown Twist drill, Combination Crown Drill
Technical Parameters:
| Product Name |
Combination Crown Drill |
| Type |
Indexable Drill Bit |
| Length |
7D |
| Flute Type |
Spiral |
| Material |
Tungsten Steel |
| Country Of Origin |
China |
| Application |
Metal Drilling |
| Number Of Pieces |
1 |
Applications:
Hole making refers to the process of drilling or cutting a hole into a material, such as metal or wood. This process is commonly used in manufacturing and construction industries to create holes for various purposes, such as installation of screws or bolts, creation of openings for pipes or wires, or simply for decorative purposes.
The hole making process can vary depending on the material being worked on and the type of hole being created. For example, a drill bit may be used to create a small hole in metal, while a saw may be used to create a larger opening in wood. In addition to these methods, there are also specialized hole making tools, such as hole punches or reamers, that are designed for specific applications.
Accuracy and precision are crucial factors in hole making, as even slight deviations can affect the functionality and integrity of the finished product. Therefore, it is important for professionals in these industries to have the necessary knowledge and skills to properly perform hole making operations.
Product Specifications:
| Item.No |
D(mm) |
D Max(mm) |
L1(mm) |
DS(mm) |
L2(mm) |
| BBS125D7W16 |
12.5 |
13 |
91 |
16 |
45 |
| BBS130D7W16 |
13 |
13.5 |
91 |
16 |
45 |
| BBS140D7W16 |
14 |
14.5 |
98 |
16 |
45 |
| BBS145D7W16 |
14.5 |
14.5 |
98 |
16 |
45 |
| BBS150D7W20 |
15 |
15.5 |
105 |
20 |
50 |
| BBS155D7W20 |
15.5 |
15.8 |
105 |
20 |
50 |
| BBS160D7W20 |
16 |
16.99 |
112 |
20 |
50 |
| BBS170D7W20 |
17 |
18 |
119 |
20 |
50 |
| BBS180D7W20 |
18 |
18 |
126 |
20 |
50 |
| BBS190D7225 |
19 |
19.99 |
133 |
25 |
56 |
| BBS200D7W25 |
20 |
20.99 |
140 |
25 |
56 |
| BBS210D7W25 |
21 |
22 |
147 |
25 |
56 |
| BBS220D7W25 |
22 |
22 |
154 |
25 |
56 |
| BBS230D7W25 |
23 |
24 |
161 |
25 |
56 |
| BBS240D7W25 |
24 |
24 |
168 |
25 |
56 |
| BBS250D7W32 |
25 |
26 |
175 |
32 |
60 |
| BBS260D7W32 |
26 |
26 |
182 |
32 |
60 |
| BBS270D7W32 |
27 |
28 |
189 |
32 |
60 |
| BBS280D7W32 |
28 |
28 |
196 |
32 |
60 |
| BBS290D7W32 |
29 |
30 |
203 |
32 |
60 |
| BBS300D7W32 |
30 |
30 |
210 |
32 |
60 |
| BBS310D7W32 |
31 |
32 |
217 |
32 |
60 |
| BBS320D7W32 |
32 |
32 |
224 |
32 |
60 |
| BBS330D7W40 |
33 |
33.99 |
231 |
40 |
70 |
| BBS340D7W40 |
34 |
34.99 |
238 |
40 |
70 |
| BBS350D7W40 |
35 |
36 |
245 |
40 |
70 |
| BBS360D7W40 |
36 |
36 |
252 |
40 |
70 |
| BBS370D7W40 |
37 |
37 |
259 |
40 |
70 |
| BBS380D7W40 |
38 |
38 |
266 |
40 |
70 |
| BBS390D7W40 |
39 |
39 |
273 |
40 |
70 |
| BBS400D7W40 |
40 |
40 |
280 |
40 |
70 |
Carbide Insert For Crown Drill
Diameter Range: 12mm ~51mm
Triple Positioning structure to improve drilling stability
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