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3 1/2'' API REG 190mm 3 Wings Step Drag Bits For Coal Mining

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Changsha Sollroc Engineering Equipments Co., Ltd

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3 1/2'' API REG 190mm 3 Wings Step Drag Bits For Coal Mining

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Brand Name :	SOLLROC
Model Number :	190mm 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

3 1/2'' API REG 190mm 3 Wings Step Drag Bits For Coal Mining

3 Wings Step Drag Bit With (190mm) 7 1/2'' x 3 1/2'' API REG Pin For Coal Mining

Product Introduce

Drag bits are economical tools when drilling softer geological formations and shallower depths. We supply both step drag bits and chevron drag bits. Chevron drag bits are usually used for drilling more abrasive formations like soft sandstons and shales. Chevron drag bits are more durable than step drag bits because of cutting structuer, but penetrate more slowly.

Adavantages

Each of our bits is machined from a forging to exacting standards and then tipped with tungsten carbide.Mining grade tungshen carbide tips are brazed to the bit wing face for heavy duty bits.The pin thread are CNC manufactures and wings surfaces hardening subsequently.

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

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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