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Power Factory 12 1/4inch IADC537 Tricone Rock Bits

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Power Factory 12 1/4inch IADC537 Tricone Rock Bits

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Brand Name : JSBIT

Model Number : 216mm tricone roller bit

Certification : API and ISO standard

Place of Origin : Heibei province China

MOQ : 1 pcs

Price : bargain

Payment Terms : Western Union, T/T

Supply Ability : 500PCS /month

Delivery Time : 1 days

Packaging Details : Fumigation-free export wooden box

Product process : Forging and heat treatment

Bearing : rubber sealed bearing type

material : 20GrNiMo and tungsten carbide

Warranty : more than 80 hours

standard : API and ISO

Usage : HDD drilling, oil drilling, crossing strata, water well drilling.

Machinable size : 8.5inch 215.9mm 216mm

country of origin : hebei，china

IADC : 537

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8. 5inch 215.9mm IADC537 Tricone Rock Bit For Water Oil Well Drilling

1)Rubber sealed Bearing Structure
High precision journal bearing with two thrust faces. Ball locked cone. Hardfaced head bearing surface. Cone bearing inlaid with friction reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved.
Seal and Lubrication
The bearing seal is adapting the high quality HNBR O-ring. The best seal compression and the radial seal structure can enhance the seal performance. The compensation system and the high quality bit grease can limit pressure differential, and greatly increase the lubricating reliability.
2)Metal Sealed Bearing Bit
Bearing Structure
High precision journal bearing with two thrust faces. Ball locked cone. Hardfaced head bearing surface. Cone bearing inlaid with friction reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved, and suitable for high rotary speed.
Seal and Lubrication
The advanced metal seal package is composed by two metal seals and two elastic rubber energiners. The energizer and back-up ring will support the pushing force to make the two metal faces tightly contact. In the drilling, the metal seals are relevant moving, and the energizers are static. This will increase the bearing seal reliability and durability. The compensation system and the high quality bit grease can limit pressure differential, and greatly increase the lubricating reliability.

3) rubber seal bearing Bit
Air cooling roller bearing package.Balls lock the cone,which reduces the probability of cone-dropping to minimum.

IADC Recommended parameters Applicable strata
WOB KN/mm Rotating speed r/min
116,117 0.35-0.8 150-80 Extremely soft formations with high compressive strength and drillability, such as clay, mudstone, chalk
126,127 0.35-0.9 150-70 Soft formations with high compressive strength and drillability, such as mudstone, gypsum, salt rock, soft shale, soft limestone
136,137 0.35-1.0 120-60 Soft to medium-soft formations with high compressive strength and high drillability, such as medium-soft shale, anhydrite, medium-soft limestone, medium-soft sandstone and soft formations with hard interlayers
216,217 0.4-1.0 100-60 Soft to medium formations with compressive strength, such as soft shale, medium soft limestone, medium soft sandstone and soft formations with hard interlayers
246,247 0.4-1.0 80-50 Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite
417,437,447 0.35-0.9 150-70 Very soft formations with high compressive strength and drillability, such as clay, mudstone, chalk, gypsum, salt rock, soft shale, soft limestone
517,527 0.35-1.0 140-60 Soft formations with high compressive strength, such as mudstone, gypsum, salt rock, soft shale, soft limestone
537,547 0.45-1.0 120-50 Soft to medium formations with compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with effective hard abrasive interlayers
617,627 0.45-1.1 90-50 Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite
637 0.5-1.2 80-40 Hard formations with high compressive strength, such as sandstone, limestone, dolomite and anhydrite, marble








Power Factory 12 1/4inch IADC537 Tricone Rock BitsPower Factory 12 1/4inch IADC537 Tricone Rock BitsPower Factory 12 1/4inch IADC537 Tricone Rock Bits

Power Factory 12 1/4inch IADC537 Tricone Rock Bits
Power Factory 12 1/4inch IADC537 Tricone Rock BitsPower Factory 12 1/4inch IADC537 Tricone Rock BitsPower Factory 12 1/4inch IADC537 Tricone Rock Bits
Power Factory 12 1/4inch IADC537 Tricone Rock Bits

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