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Changsha Sollroc Engineering Equipments Co., Ltd
Changsha SOLLROC Engineering Equipments Co., Ltd. Focus in manufacturing of high quality DTH and RC Drilling Tools.
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3 3/4" ~ 26" Tungsten Carbide Insert Bits RocK Roller Bits with API thread

Changsha Sollroc Engineering Equipments Co., Ltd
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Changsha Sollroc Engineering Equipments Co., Ltd
City: Changsha
Province/State: Hunan
Country/Region: China
Tel: 86-731-85551632
Contact Person:
Ms Ling Bo

3 3/4" ~ 26" Tungsten Carbide Insert Bits RocK Roller Bits with API thread

Brand Name : SOLLROC
Model Number : 4"-20" with API thread
Certification : SGS
Place of Origin : China
MOQ : 1 set
Supply Ability : 20000 sets per month
Delivery Time : 1-2 weeks
Packaging Details : carton + ply wooden case + pallet for seaworthy or airworthy
Material : Tungsten Carbide with steel
Color : as request
Connection : API thread
Applications : Oil,gas and water well drilling
Keeywords : Tricone Drill Bit
Bearing : Rubber Sealed Bearing
Size : 3 3/4"~26"
IADC : 625 635 416 427 436 446 447 516 526 537 547 516 536 535
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Tungsten Carbide Insert Bits Tricone Roller Drill Bits RocK Roller Bits


Product specifications:

Tricone bits are available in new and used (re-tip and re-run) steel tooth and tungsten carbide insert, size from 3 3/8”(85.7mm)

to 26”(660.4mm) for use in all formations, with any bearing/seal type, and a wide range of additional custom features.

Tricone bit, are widely used in mining, oil well, water well, thermal drilling.


1, The bearings adopt high precision radial sliding two way thrust bearings,teeth bearing surface hardfacing of hard alloy layer,the roller bearing is made of alloy after welding to improve the carrying capacity and anti bite ability.
2, Using high-precision metal seal. The metal seal is sealed by a carefully designed metal seal ring as a bearing, and two highly resilient rubber seals are located in the palm and the seal area of the teeth as a static seal. The optimized seal compression ensures that the two metal rings The sealing surface always maintains good contact.
3, Steel ball locking cone, suitable for high speed.
4, The use of a limited pressure differential and to prevent the drilling fluid into the lubrication system of the whole rubber reservoir, to provide a good lubrication guarantee for the bearing system .
5, Using the new grease with high resistance to 250 degrees Celsius and anti-wear.


Bit type:

Bit sizeBit type
inmm
7 7/8200IADC437, IADC447,IADC517,IADC537
8 1/2215.9IADC417,IADC437,IADC447,IADC517,IADC527,IADC537,IADC547
8 3/4222.3IADC437, IADC447,IADC517,IADC527
9 1/2241.3IADC437, IADC447,IADC517,IADC537,IADC547
9 7/8250.8IADC437,IADC517
10 1/2266.7IADC517,IADC537,IADC547
10 5/8269.9IADC517,IADC537,IADC547
12304.8IADC517,IADC537,IADC547
12 1/4311.25IADC417,IADC437,IADC447,IADC517,IADC537
13 1/2342.9IADC517,IADC537,IADC547
14 3/4374.7IADC517,IADC537,IADC547
17 1/2444.5IADC517,IADC527
18 7/8479.4IADC517,IADC537

Recommended drilling parameters:

IADC

WOB

(KN/mm)(Bit Dia)

RPM(r/min)Applicable Formations
1170.35-0.8240-80Very soft formations with low compressive strength and high drillability,such as clay, mudstone,chalk,etc
1270.35-0.9240-70Soft formations with low compressive strength and high drillability, such as mudstone,gypsum,salt, soft shale,soft limestone,etc
2170.35-0.9240-70Meidum hard with low compressive strength and high drillability.such as hard shale, sandstone and limestone,etc
4170.35-0.9240-70Very soft formations with low compressive strength and high drillability,such as clay,mudstone,chalk,gypsum,salt,soft shale,soft limestone,etc
437 4470.35-0.9240-70Very soft formations with low compressive strength and high drillability, such as clay,mudstone,chalk,gypsum,salt,soft shale,soft limestone,etc
517 5270.35-1.0220-60Soft formations with low compressive strength and high drillability,such as mudstone,gypsum,salt, soft shale,soft limestone,etc
5370.45-1.0220-50Meidum hard with low compressive strength, such as medium soft shale, medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,etc.
617 6270.45-1.1200-50Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,etc
6370.5-1.1180-40Hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marble,etc.
7370.5-1.1150-40Hard formations with high compressive strength,such as hard limestone,dolomite,hard sandstone,chert,basalt,etc




Product photos:




Abouts US

SOLLROC is a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotton good reputation from our customers all over the world, such as France, Spain, Italy, South Africa, Australia, Iran, Malaysia, etc.


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