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.

SHANDIKE 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		T.C(Tungsten Carbide) Buttons		Flushing Hole		Angle
mm	inch	Gauge x mm	Front x mm	Side	Front	Gauge
76	3	9 x 13	1 x 13	1	3	35°
89	3 1/2	14 x 13	1 x 13	2	2	35°
102	4	16 x 13	1 x 13	2	2	35°
127	5	18 x 13	1 x 13	1	3	35°