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4-Wings Step Drag Bits

Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
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US$ 200 - 2,000 MOQ: 1 Piece
Key Specifications
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Place of Origin:
China
Brand Name:
SRF
Model Number:
7inch
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Payment & Shipping
Payment Methods:
Port of Shipment:
Tian jin
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin China
Brand Name SRF
Model Number 7inch
Type Core Drill Bit
Material Diamond
Use Well Drilling

3 blades/wings  step drag bits

Drag bit are manufactured from forged high quality alloy steel and PDC cutter insert, plus state of art welding technology and multiple precision heat treatment to provide highest penetration rate and longest lifespan at roughest condition.

Drag bits are designed for medium to hard formation and are used in areas that contain a lot of rock and also in the oil field.

Size

Type Pin

Wt. (lbs.)

1 3/4" - 2 1/2"

AW, A-Rod

2

2 5/8" - 2 7/8"

AW, A-Rod

2 1/2

2 3/4" - 3 1/4"

3THD/4THD N-Rod, 2" IF

4

3 3/8" - 3 3/4"

3THD/4THD N-Rod, 2"IF

4 1/2

3 7/8" - 4 3/4"

2 3/8" API Pin

6

4 7/8" - 5 1/8"

2 3/8" API Pin

7

5 1/4" - 5 1/2"

2 3/8" API Pin

8

4 5/8" - 5"

2 7/8" API Pin

10

5 1/8" - 5 1/2"

2 7/8" API Pin

11

5 5/8" - 6 1/4"

3 1/2" API Pin

18

6 1/2" - 6 3/4"

3 1/2" API Pin

19

7" - 7 1/2"

3 1/2" API Pin

21

7 5/8" - 8"-12 1/4

3 1/2" API Pin 4 1/2 6 5/8

23

 Detailed pictures 

4-Wings Step Drag Bits4-Wings Step Drag Bits

Zhongcheng attend many exhibitions

4-Wings Step Drag Bits4-Wings Step Drag Bits

ZhongCheng (SRF BITS) Certificate 

4-Wings Step Drag Bits

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4-Wings Step Drag Bits

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Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
2013
Factory Size
3,000-5,000 square meters
Total Employees
51 - 100 People
Contact Supplier Request Quote Chat Now

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