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Contact: Dr.Robert Roschen

Tel: +86-21-54994419

Mobile: +8613764195009

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Email: roschen@roschen.com

Web: www.roscenmining.com

Step Type Bits

Step Type Bit Step type bits are the most common type of drag bit used in the world today. They are primarily designed for soft to medium formations. Step Type: Bits are primarily designed for rapid penetration in soft to medium formations such as clay, sand rock, or shale. Step bits are...

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Step Type Bit  
Step type bits are the most common type of drag bit used in the world today. They are primarily designed for soft to medium formations.  


Step Type:
Bits are primarily designed for rapid penetration in soft to medium formations such as clay, sand rock, or shale. Step bits are available with regular and heavy steps. Heavy steps are recommended for harder formations. They feature more cutting carbides and offer increased durability.  
STEP TYPE DRAG BIT (3-WAY)
Step Type (3-Way) Drag Bits
Step bits are the most common type of drag bit used in the world today. They are primarily designed for soft to medium formations.  

  

Step Type Drag Bits (3-way)

Size

Type Pin

Wt. (lbs.)

2 3/4"  - 3 1/2"

4 THD N - Rod

3 1/2

2 5/8"  - 4 3/4"

2 3/8"  API

5 1/2

4 7/8"  - 5 1/8"

2 3/8"  API

7

5 1/4"  - 5 1/2"

2 3/8"  API

8

5 5/8"  - 6"

2 3/8"  API

8

6 1/8"  - 6 1/4"

2 3/8"  API

8 1/2

6 1/2" - 6 3/4"

2 3/8"  API

9

5 1/2"  - 6 3/4"

3 1/2"  API

22

6 7/8"  - 7 7/8"

3 1/2"  API

23

8"  - 9"

3 1/2"  API

24

9 1/8"  - 10 7/8"

3 1/2"  API

25-30

7 7/8"  - 8 7/8"

4 1/2"  API

40

9"  - 9 7/8"

4 1/2"  API

42

10"  - 10 7/8"

3 1/2"  API or 4 1/2"  API

45

11"  - 12 1/4"

3 1/2"  API or 4 1/2"  API

50



CHEVRON DRAG BITS (4-WAY) 

H.D. Chevron Bit One Piece (4-Way) - Drag Bits  
Chevron bits are designed for medium to hard formations and are used in areas that contain a lot of rock and also in the oilfield for drilling out concrete casings and plugs. 


H.D. Chevron One Piece (4-way) Drag Bits

Size

Type Pin

Wt. (lbs.)

2 3/4"  - 3 1/4"

3THD/4THD N-Rod, 2"  IF

5

3 3/8"  - 3 3/4"

3THD/4THD N-Rod, 2"  IF

5 1/2

3 7/8"  - 4 3/4"

2 3/8"  API Pin

9

4 7/8"  - 5 1/8"

2 3/8"  API Pin

9

5 1/4"  - 5 1/2"

2 3/8"  API Pin

10

4 5/8"  - 5"

2 7/8"  API Pin

12

5 1/2"  - 6 1/4"

3 1/2"  API Pin

22

6 1/2"  - 6 3/4"

3 1/2"  API Pin

24


For more information on Step Type Drag Bits, Chevron Drag Bits, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.net ; http://www.roschen.cn
http://www.roschen.com ; http://www.roschengroup.com

ROSCHEN GROUP is professional in manufacturing and supplying quality step type bits as one of the leading manufacturers and suppliers in China. We now bring you high quality step type bits for sale, competitive in its excellent performance and high precision. Please rest assured to buy.

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