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
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
DHD2.5
DHD3.5N
DHD3.5
DHD340N
DHD340A, IR4,
Secoroc COP54
DHD350N
DHD350R,
Secoroc COP54
DHD360N
DHD360, IR SF6,
Secoroc COP64
DHD380N
SD4
BR4
DHD380
SD5
COP34
DHD110
SD6
TD40
Mission30
SD8
COP32
Mission40
QL40
COP42
Mission50
QL50
COP52
Mission60
QL60
COP62
Mission80
QL80
Mach33
BR2
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