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T38 76mm Bench Drilling Tungsten Carbide Drill Button Bit
Application
The thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.
Characteristics
1. Thread connection: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60
2. Alloy steel:42CrMo
3. Suitable carbide tips:YK05
4. Technology:hot-pressing or welding
Before Official Order, please confirm below informations:
1. Thread Type
2. Standard or Retrac
3. Bit button shape (tip shape)--Spherical or Ballistic
4. Bit face shape--Drop Center, Flat Face, Convex, Concave, etc...
T38 Thread Button Bit Specification
Diameter | Buttons and Size (mm) | Flushing hole | Weight | Part Number | ||||
mm | inch | Front | Gauge | Angle | Front | Side | kg | |
Spherical | ||||||||
64 | 2 1/2 | 3×11 | 6×12 | 35° | 3 | - | 1.8 | 4148300705 |
64 | 2 1/2 | 4×10 | 8×10 | 40° | 2 | - | 1.6 | 4148300706 |
64 | 2 1/2 | 3×10, 1×10 | 6×11 | 35° | 3 | - | 1.7 | 4148300707 |
70 | 2 3/4 | 4×11 | 8×11 | 40° | 2 | - | 1.9 | 4148300708 |
70 | 2 3/4 | 4×10, 1×10 | 8×11 | 30° | 4 | - | 1.9 | 4148300709 |
70 | 2 3/4 | 3×10, 1×10 | 6×12 | 35° | 3 | - | 1.8 | 4148300710 |
76 | 3 | 4×11 | 8×11 | 40° | 2 | - | 2.4 | 4148300711 |
76 | 3 | 5×11 | 8×13 | 35° | 2 | 1 | 2.4 | 4148300712 |
76 | 3 | 3×11, 1×11 | 6×12 | 35° | 3 | 1 | 2.6 | 4148300713 |
76 | 3 | 4×11, 1×11 | 8×12 | 35° | 4 | - | 2.6 | 4148300714 |
76 | 3 | 4×11, 1×11 | 8×11 | 40° | 4 | - | 2.6 | 4148300715 |
89 | 3 1/2 | 4×13 | 8×13 | 40° | 2 | - | 3.3 | 4148300716 |
89 | 3 1/2 | 5×13 | 8×13 | 35° | 2 | - | 3.3 | 4148300717 |
89 | 3 1/2 | 6×11 | 8×12 | 35° | 2 | - | 3.3 | 4148300718 |
89 | 3 1/2 | 3×11, 2×11 | 6×13 | 35° | 3 | 1 | 3.3 | 4148300719 |
89 | 3 1/2 | 4×11, 1×11 | 8×13 | 35° | 4 | - | 3.3 | 4148300720 |
89 | 3 1/2 | 4×13, 1×13 | 8×13 | 35° | 4 | - | 3.3 | 4148300721 |