Domed Button Bits
As a reaming drilling tools, domed button bits are used when a large diameter is needed to be reamed out after a pilot holes is drilled to a depth.
SINODRILLS Domed Button Bits
Domed button bits as one of the reaming drilling tools are used when a large diameter is needed to be reamed out after a pilot hole is drilled to a depth.
Parameters
• Thread size: R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, and T51.
• Diameter: 76mm to 152mm.
Features
• Alloy buttons are hot mounted into the drill bit, ensuring the bit good accuracy and durability;
• Reliability ensured by premium drill bit materials and premium alloy button;
• Different types designed for different drilling scenarios and rock conditions;
• High speed and drilling efficiency;
• Cost-effective, good performance with reasonable price.
Applications
Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.
Thread Domed Button Bit
R32 Thread Domed Button Bits
Diameter
mm
76
89
102
127
T.C(Tungsten Carbide) Buttons
Flushing Hole
Angle
inch
Gauge x mm
Front x mm
Side
Front
Gauge
3
9 x 13
1 x 13
1
3
35°
3 1/2
14 x 13
1 x 13
2
2
35°
4
16 x 13
1 x 13
2
2
35°
5
18 x 13
1 x 13
1
3
35°
Please contact our sales team for more specifications.
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