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Quarrying

DTH bits

Sinodrills DTH bits are made of superior quality alloy steel which is made in U.S. Besides, all our DTH bits are using the premium T.C carbide which provides (the T.C buttons) for famous brand

Description

SINODRILLS DTH Bits


The DTH bits is the tool cutting rock. Sinodrills DTH bits are made of superior quality alloy steel which is made in U.S. Besides, all our DTH bits are using the premium T.C carbide which provides (the T.C buttons) for famous brand. In addition art manufacturing technology makes our DTH bits with higher and more reliable quality.



Features

• Premium alloy buttons;

• Premium alloy steel for skirts;

• Skirts are nitriding-processed, featuring better wearing quality;

• Complete sizes and specifications, compatible with most mainstream-branded DTH hammers.



Applications

Mining, quarrying, water well drilling, geothermal well drilling, foundation piling, etc.


DTH Bits face design and selection






Flat front,

Spherical buttons


Flat front,

Spherical gauge buttons,

Ballistic front buttons.

Convex front,

Ballistic


Concave front,

Spherical buttons



Hard and abrasive rock



Medium hard to hard and 

moderately abrasive rock

High penetration rates in 

non abrasive rock

Medium hard, 

maximum hole deviation control



DTH Bits button shapes selection






Hemispherical button


Universal buttons for all rock 

formation, best suited to hardest 

and very abrasive rocks formation



Parabolic button (semi-ballistic)


Excellent penetration rate, but only 

suited to medium hard and  not so

 very abrasive rock formation


Ballistic buttons


Similar to parabolic buttons, used for soft to 

medium hard and not so abrasive rock 

formation, excellent in penetration rate




DTH Bits shank indentification




DHD2.5N



DHD380N
SD4
BR4


DHD2.5



DHD380
SD5
COP34


DHD3.5N



DHD110
SD6
TD40


DHD3.5



Mission30
SD8
COP32


DHD340N



Mission40
QL40
COP42


DHD340A, IR4, 

Secoroc COP54



Mission50
QL50
COP52


DHD350N



Mission60
QL60
COP62


DHD350R, 

Secoroc COP54



Mission80
QL80



DHD360N



Mach33
BR2



DHD360, IR SF6, 

Secoroc COP64



Mach44
BR3


DTH Button Bits Parameters



Bit size


Shank type

Recommended DTH bir diameter


3.5''/3'' DTH Hammer bits


COP34, DHD3.5, MISSION30, BR3 shank

90mm to 105mm


4'' DTH Hammer bits


DHD340, QL40, MISSION40, SD4 shank

110mm to 130mm


5'' DTH Hammer bits


DHD350, QL50, MISSION50, SD5 shank

134mm tio 152mm


6'' DTH Hammer bits


DHD360, QL60, MISSION60, SD6 shank

152mm to 203mm


8'' DTH Hammer bits


DHD380, QL80, MISSION80, SD8 shank

203mm to 305mm


12'' DTH Hammer bits


DHD112, SD12 and QL120 shank

Available upon to customers' request




Quarrying