Threaded Drill Bits

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About Us: http://sinodrills.org/1-1-1-threaded-drill-bits.html

Thread Cross Bit

Thread Button Bits

Parameters

Thread type: R25, R28, R32, R38, T38, T45, T51, etc.
Bit type: cross bit, button bit
Skirt type: normal skirt, retract skirt
Bit front design: flat front, drop center front, all-purpose bit front
Diameter: 33mm-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.

Flat front: For drilling in medium to hard and abrasive rock

Drop center: For drilling in medium hard, with maximum hole deviation control.

Normal skirt: For drilling in very hard and very abrasive compact rock formation.

Retract skirt: For drilling in loose, broken or fissured rock where it is difficult to retract the drill string due to the hole collapse.

Types

R25 Thread Drill Bits

R25 Cross Bits, Normal Skirt: Diameter: 35-51mm
R25 Button Bits, Normal Skirt: Diameter: 38-51mm

R28 Thread Drill bits

R28 Cross Bits, Normal Skirt: Diameter: 35-51mm
R28 Button Bits, Normal Skirt: Diameter: 38-51mm

R32 Thread Drill bits

R32 Cross Bits, Normal Skirt: Diameter: 43-64mm
R32 Button Bits, Normal Skirt: Diameter: 41-76mm
R32 Button Bits, Retract Skirt: Diameter: 51-64mm

R38/T38 Drill bits

R38/T38 Cross Bits, Retract Skirt: Diameter: 64mm, 76mm
R38/T38 Button Bits, Retract Skirt: Diameter: 64-89mm

T45 Drill Bits

T45 Button Bits, Normal Skirt: Diameter: 76-127mm
T45 Button Bits, Retract Skirt: Diameter: 76-127mm

T51 Drill Bits

T51 Button Bits, Normal Skirt: Diameter: 89-127mm
T51 Button Bits, Retract Skirt: Diameter: 89-127mm

Industries We Serve

Our rock drilling equipment can be applied in various industries, doing rock drilling and crushing duties for digging, blasting, etc.
We mainly offer 4 series of rock drilling tools: top hammer drilling tools, down-the-hole (DTH) drilling tools, self-drilling anchor system and drag bits.

Tunnelling

Water Well，Geothermal well drilling

Quarry/Aggregate

Mining

Construction