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Geothermal Drilling 178mm Drag Drill Bit With 3 1/2'' API REG Pin Thread

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Changsha Sollroc Engineering Equipments Co., Ltd

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Geothermal Drilling 178mm Drag Drill Bit With 3 1/2'' API REG Pin Thread

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Brand Name :	SOLLROC
Model Number :	178mm Drag Bits
Certification :	SGS
Price :	negotiate
Payment Terms :	L/C, D/A, D/P, T/T, , MoneyGram
Supply Ability :	5000 pieces per month
Delivery Time :	about 15 days

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Product Details
Company Profile

Geothermal Drilling 178mm Drag Drill Bit With 3 1/2'' API REG Pin Thread

(178mm) 7'' Drag Bit With 3 1/2'' API REG Pin Thread For Geothermal Drilling

Product Introduce

3 wings step drag bits are one piece construction of alloy steel cast with tungsten carbide cutting tips and gauge sides to ensure longer life. It has 3 wings and 3 flushing holes. Compared with 4 wings, 3 wings step drag bits tend to drill faster and aggressive, whereas, are shorter lasting and less durable.3 wings step style drag bits will produce larger cuttings force than chevron style drag bit. Rotary table speed ofstep drag bits should be between 60 and 80 rpm with light weight on bit.

Techinical parameter

Type	Dimension		Thread connection
Type	inch	mm	Thread connection
3 wings step type	2 - 17 1/2	51-445	2 3/8'' - 6 5/8'' API REG
3 wings chevron type	2 1/2 - 8	64-203	2 3/8'' - 4 1/2'' API REG
4 wings step type	7 7/8 - 17 1/2	200-445	3 1/2'' - 6 5/8'' API REG
4 wings chevron type	2 5/8 - 12	67 - 305	2 3/8'' - 4 1/2'' API REG

Adavantages

1. bits' body and wings are integrated casting instead of welding them together ;
2. Copper brazing tungsten carbide insertion welding technology instead of silver soldering. Copper brazing make the tungsten carbide very hard to drop and break.Meanwhile ,in the brazing process,the wings also get a good hot treatment.
3. Use high grade carbide inserts only;

4. More steps, faster penetration ;

5. Thickened wings.

Design features

Design of super-large outlet, smooth outlet, no blockage, no drilling and no washing

Utonomous design of threads to suit all drill pipe interfaces

Repeated grinding, repeated chemical treatment, dust-free welding composite

Detail Photos:

About us

At sollroc, customer satisfaction is our top priority. Our sales team takes a proactive approach in meeting customers’ needs. We take the time to get to know you and learn about your operations so we can better assist you. We strive to meet customers’ needs by supplying the tools and equipment you need when you need them, providing product support, and following through with excellent customer service every step of the way.

Package:

Wooden cases or your required

Delivery Time

Generally need 15-20 days

Transport Way

By air, By Sea or By Express

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