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7 1/2" Chevron Drag Bit Step Type For Mining Water Well Drilling

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7 1/2" Chevron Drag Bit Step Type For Mining Water Well Drilling

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Brand Name :
Model Number :	Step Type, Chevron Type
Certification :	API & ISO
Price :	USD30-500/spc
Payment Terms :	L/C, T/T, Western Union, MoneyGram
Supply Ability :	800 pcs per month
Delivery Time :	7-30 days

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Product Details
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7 1/2" Chevron Drag Bit Step Type For Mining Water Well Drilling

Factory Price 4",5",5 1/2",6",6 1/2",7",7 1/2" Chevron Drag Bit For Mining Water Well Drilling

Description of Drag Bits:

Drag drilling bit also named blade bits, with a Tungsten Carbide inserts on the blades.They are usually designed for use in soft formations such as sand, clay, or some soft rock.Their uses include drilling water wells, mining, geothermal, environmental and exploration drilling.Whenever possible, they should be used to drill pilot holes, for they produce cuttings are easiest to log.Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples. Many special designs are available upon your request.

Drag bits are economical tools when drilling softer geological formations and shallower depths. is the biggest supplier of drag bits in China, we supply both step drag bits and chevron drag bits. Step drag bits are usually used for drilling overdurdens with sands, clays or soft formations. Compared with chevron drag bits, step drag bits produce large cuttings and more aggressive, however, will be less durable.

There are two forms of drag bits:
- "Step" type for soft grounds
- "Chevron" type for medium hard grounds

PRODUCT SPECIFICATION

Type	Dimension		Thread Connection
Type	inch	mm	Thread Connection
3-wing Step Type	2 ~ 17 1/2	51~445	N Rod, 2 3/8” ~ 6 5/8” API REG/IF
3-wing Chevron Type	2 1/2 ~ 8	64~203	N Rod, 2 3/8” ~ 4 1/2” API REG/IF
4-wing Step Type	7 7/8 ~ 17 1/2	200~445	3 1/2” ~ 6 5/8” API REG/IF
4-wing Chevron Type	2 5/8 ~ 6 1/2	67~165	N Rod, 2 3/8” ~ 3 1/2” API REG/IF
Drag Bit Blades	5 1/2 ~ 17 1/2	140~4445

Drag Bits Regular Sizes
Connection Threads	N-Rod, AW, 2 3/8’’ API Reg, 2 7/8’’ API Reg, 3 1/2’’ API Reg, 4 1/2’’ API Reg, 6 5/8’’ API Reg, 2 7/8’’ API IF, Etc.
Wings	3-6 Wings
Type	Chevron and Step type
Drag Bit Size	2"-- 17 1/2''(51mm--444.5mm)
Blades	3--9 Blades
Nozzles	According to your requirement
PDC Cutter	1913,1613,1313 and so on.
Rotary Speed	60-300 rpm
Delivery Terms	Within 3 days after the payment
Package	Wooden Boxes, or as customer requirements.

Related Bits:

Tricone Drill Bits	3 7/8", 5",5 1/8", 5 1/4", 5 1/2", 5 5/8", 5 7/8" , 6", 6 1/8", 6 1/4", 6 3/8", 6 1/2" , 7 1/2", 7 5/8", 7 7/8" , 8 3/8", 8 1/2", 8 3/4",9 1/2", 9 5/8", 9 7/8" 10 5/8",11 5/8" , 12 1/4", 13 5/8", 13 3/4" , 14 3/4",15", 15 1/2", 16" , 17 1/2", 20", 22”, 24" , 26"
PDC Drill Bits	4 1/2”,4 3/4” ,4 5/8”,5 1/4”, 5 1/2”, 5 7/8”,6”, 6 1/8”,6 1/2”,6 3/4”,7 1/2”,7 7/8”,8 1/2”,8 3/4”,9 1/2”,9 5/8”,9 7/8”,10 5/8”,11 5/8” 12 1/4”,13 3/4”,13 5/8”,14 3/4”,15 1/2” ,16”,17 1/2”
Hole Openers	10”, 12”, 14”,16”,18”,20”, 22”,24”,26”,28”,33”,36”
Sintered Diamond Bits	46mm, 56mm, 66mm, 76mm, 94/96mm

Production Process:

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If any needs, pls contact us freely:

Dongying OilMan Machinery Equipment Co.

Address: North Two Road, Dongying City, Shandong Province, China.

Mob/whats app/we chat:+86 13475294399

*Email: christal@oilmancn.com

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