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Hejian Hengji Bit Manufacture Co., Ltd.

Drag Bit, Drill Bits, Bit manufacturer / supplier in China, offering Well Drilling 150mm Drag Drill Bit, 8 1/2′′inch Steel Tooth Milled Tooth Tricone Drill Bit, Hot Sale New 9 7/8 Milled Tooth Tricone Roller Bit and so on.

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Supplier Homepage Product Drill Bit Well Drilling 150mm Drag Drill Bit

Well Drilling 150mm Drag Drill Bit

FOB Price: US $200-500 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $200-500/ Piece
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Production Capacity: 1000PCS/Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 150mm
  • Material: Cobalt Steel Alloys
  • Number of Shaft: 3
  • Controlling Mode: Artificial
  • Layout: Vertical
  • Precision: High Precision
  • Color: Blue Red or Other
  • Specification: ISO9001
  • HS Code: 82071990
  • Type: Core Drill Bit
  • Usage: Well Drilling
  • Certification: ISO 9001
  • Structure: Deep Hole Drilling
  • Automatic Grade: Semiautomatic
  • Condition: New
  • Trademark: ouyate
  • Origin: Hebei Hejian
Product Description
Material: Tungsten Carbide
Step-type drag bits with a variety of wing counts, steps, and sizes to accommodate drilling in a variety of formations, from sand and clay to shale, limestone, gravel, and more.
Three-Wing and Four-Wing Drag Bits
Three-wing bits tend to drill faster, whereas four-wing bits are longer lasting, more durable, and drill a straighter hole.
Regular Step and Heavy Step Drag Bits
Regular Step bits develop smaller cuttings, whereas Heavy Step bits are more durable and are used in harder formations. Heavy Step bits have longer and wider steps and contain larger carbide for cutting. The quantity of steps is largely determined by the size of bit.

Replaceable blade drag bits are available on request.

Chevron Type Drag BIts:
Chevron type drag bits are desigined for harder, more consolidated formations such as hard shale or limestone, areas with rock, and for drilling out concrete casing and plugs. The chevron type drag bit does not penetrade as fast as the step type, but will cut harder formations.
Sizes Available:
SizeType PinWt. (lbs.)
2 3/4" - 3 1/2"4 THD N - Rod3 1/2
2 5/8" - 4 3/4"2 3/8" API5 1/2
4 7/8" - 5 1/8"2 3/8" API7
5 1/4" - 5 1/2"2 3/8" API8
5 5/8" - 6"2 3/8" API8
6 1/8" - 6 1/4"2 3/8" API8 1/2
6 1/2"- 6 3/4"2 3/8" API9
5 1/2" - 6 3/4"3 1/2" API22
6 7/8" - 7 7/8"3 1/2" API23
8" - 9"3 1/2" API24
9 1/8" - 10 7/8"3 1/2" API25-30
7 7/8" - 8 7/8"4 1/2" API40
9" - 9 7/8"4 1/2" API42
10" - 10 7/8"3 1/2" API or 4 1/2" API45
11" - 12 1/4"3 1/2" API or 4 1/2" API50
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