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6.5′′ 165mm 3 Wings Blades Step Drag Bits Soft Rock Drill Bits For Water Well

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Changsha Sollroc Engineering Equipments Co., Ltd

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6.5′′ 165mm 3 Wings Blades Step Drag Bits Soft Rock Drill Bits For Water Well

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Brand Name :	SOLLROC
Model Number :	3''-12'' 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
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6.5′′ 165mm 3 Wings Blades Step Drag Bits Soft Rock Drill Bits For Water Well

6.5′′ (165mm) 3 Wings Blades Step Drag Bits Soft Rock Drill Bits for Water Well

Product Introduce

Three wings step drag bit is mainly used for water wells, mining, geothermal, environmental and exploration drilling. It is suitable for drilling in soft and soft-medium formations with fast penetration rate and high efficiency, and special for the large diameter holes' drilling.
Thread available:2 3/8, 3 1/2, 4 1/2, 5 1/2, 6 5/8 API Reg. Pin, IF Pin

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. By using forged high quality alloy steel and cutter insert, plus state of art welding technology and multiple precision heat treatment to provide highest penetration rate and longest lifespan at roughest condition

2. Drag drill bit is used for drilling overburdens with sands, clays and soft formations. These bits will produce larger cuttings than Chevron style bit.

3. Because the step drill bit is more aggressive than the Chevron, the effect will be faster

Application

Drag bits ar ethe perfect solution for soil, sand,sticky clay and grouting drilling.They are designed for the higher penetration rates in softer unconsolidated formations,provide lower costs per foot.Drag bits are more aggressive than tricone bits and have higher speed while lower cutting action

Detail Photos:

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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