Specification |
Standard: ISO9001, Dcdma;
Length: 1-6m;
Usage: Coal Mining, Core Drilling;
Material: High Manganese Steel;
Precision: High Precision;
Advantage: Long Life;
Steel Grade: 4140;
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Standard: API, ISO 9001;
Length: Customized;
Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining;
Material: Carbon Steel;
Thread: Customized;
Thickness: Customized;
Steel Grade: 35CrMo;
Thickened Form: Thickened Inside;
Diameter: 57-159mm;
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Standard: API, ISO 9001;
Length: Customized;
Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining;
Material: Carbon Steel;
Thread: Customized;
Thickness: Customized;
Steel Grade: 35CrMo;
Thickened Form: Thickened Inside;
Diameter: 57-159mm;
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Standard: RoHS;
Length: 1500mm--9000mm;
Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining;
Material: Super Alloy Steel;
Transportation: Sea and Land Transport;
Weight: 0.258t;
Diameter: 42mm;
Depth: 100m;
Drilling Angle: 0-30 Degrees;
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Standard: API;
Length: 3m 1.5m;
Usage: Coal Mining;
Material: High Manganese Steel;
Specifications: Dcdma, Cdda, BS, ISO, Xjy850, 30crmnsia.;
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