Specification |
Standard: GB;
Surface Treatment: Spray-Paint;
Manufacturing Process: Forging;
Material: Carbon Steel;
Model: Mdhd330-381;
Bit Dia: 381mm;
No. Air Holes: 4PCS;
Weight: 297kg;
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After-sales Service: Provided;
Warranty: 3 Months;
Standard: API;
Manufacturing Process: Forging;
Material: Carbide;
Machine Type: Drilling Tool;
Advantage: Wear Resistant;
Appearance: Smooth;
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After-sales Service: Provided;
Warranty: 3 Months;
Standard: ISO;
Manufacturing Process: Forging;
Material: Carbide;
Application: Stone Drilling, Coal Mining,Quarry Drilling;
Machine Type: Drilling Tool;
Advantage: Wear Resistant;
Appearance: Smooth;
Boby Type: Normal Type or Retrac Type;
Diameter: 89mm;
Length: 60mm to 260mm;
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After-sales Service: Provided;
Warranty: 3 Months;
Standard: ISO;
Manufacturing Process: Forging;
Material: Carbide;
Application: Stone Drilling, Coal Mining,Quarry Drilling;
Machine Type: Drilling Tool;
Advantage: Wear Resistant;
Appearance: Smooth;
Boby Type: Normal Type or Retrac Type;
Diameter: 89mm;
Length: 60mm to 260mm;
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Standard: AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN;
Surface Treatment: Without Processing;
Manufacturing Process: Forging;
Material: Carbon Steel;
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