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11mm Shaft

11mm Shaft

For metal machining tasks, tungsten steel drill bits are unparalleled in their versatility and performance. From carbon steel to aluminum alloys, these drill bits offer exceptional hardness and heat resistance, making them ideal for working with challenging materials like stainless steel, copper, and cast iron.

Tungsten steel drill bits are the first choice for machining a variety of metals, including carbon steel, copper, alloy steel, mold steel, tool steel, stainless steel, iron, galvanized pipe, cast iron and aluminum alloys. Tungsten steel's inherent hardness and excellent heat resistance make it an ideal material for working with these tough and abrasive metals.

To maximize the efficiency of a tungsten carbide drill bit when machining these metals, it is critical to use the correct drilling speed and feed rate for the specific material. This ensures optimal performance while keeping the drill bit cool and preventing it from losing hardness and sharpness. Additionally, using cutting oil or lubricants helps reduce friction and heat dissipation, further enhancing the drilling process.

Choosing the right drill bit size for the expected hole size is critical. Using a drill bit that is too small or too large can cause problems such as excessive wear or inaccurate hole sizes. Regular maintenance is key to ensuring the longevity and performance of your tungsten carbide drill bits , including keeping them sharp and promptly replacing worn or damaged drill bits .

When machining harder metals such as tool steel or stainless steel, the use of coolant becomes critical. Coolant helps dissipate heat effectively, extending the life of the drill bit and improving drilling quality.

All in all, tungsten carbide drill bits are versatile and durable tools for working with a variety of metals. Adhering to correct drilling techniques and using the correct drill bit size and type ensures precise, clean and efficient drilling operations on a variety of metal materials.

Cutting dia.(mm)

Shank dia.(mm)

Cutting length(mm)

Overall length (mm)

Φ1.0

4

4

50

Φ1.1-1.4

4

5

50

Φ1.5-1.7

4

6

50

Φ1.8-2

4

8

50

Φ2.1-2.4

4

10

50

Φ2.5-2.9

4

13

50

Φ3

4

13

50

Φ3.1-3.3

4

18

50

Φ3.4-3 7

4

20

52

Φ3.8-4

4

22

55

Φ4.1-5

5

26

62

Φ5.1-6

6

28

66

Φ6.1-7

7

34

74

Φ7.1-8

8

37

79

Φ8.1-9

9

40

84

Φ9.1-10

10

43

89

Φ10.1-11

11

47

95

Φ11.1-12

12

51

102

Φ12 1-13

13

51

102

Φ13.5-14

14

54

107

Φ14.5-15

15

56

111

Φ15.5-16

16

58

115


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FAQ

Q: What is so special about tungsten carbide?

Drilling holes in the tungsten carbide products with a drill bit is suitable for large holes with a diameter of more than 2mm. The disadvantage of drilling with a drill bit is that the drill bit is prone to break and results in damage to tungsten carbide products.

Q: Do you spot drill for a carbide drill?

The short spot drill is very rigid, and the spotting motion is unlikely to deflect. However, if you use a carbide drill, or a screw machine length drill, spotting is typically not needed. The carbide itself is rigid compared to HSS, so the drill will go where it is pointed.

Q: What is the toughest drill bit?

Carbide bits are the strongest drill bits material and can cut through hardened steel. But if they are not available, titanium and cobalt drill bits can also be used. However, drilling with either of these bits will take longer than drilling with a carbide drill bit.

Q: How do you remove tungsten from a drill bit?

The drill bits are literally turned upside down and vibrated while the steel is heated to 850 degrees. Within seconds the tungsten inserts effortlessly fall out.
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