3 wing drag drill bit for well drilling

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$100.00 - $500.00 / Piece | 1 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Hebei, China
Brand Name:
Model Number:
3 wing
Core Drill Bit
High Carbon Steel
Well Drilling
3-26 in
guarantee period:
blue red or other
Supply Ability
Supply Ability:
1000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
wooden case
Lead Time :
3 days after payment


Welcome visit hengji bit company 


We have all size of tricone bits,PDC bits,core bits,steel tooth bits,insert tricone bits,single cone bits,hole opener,assemble tricone bit,etc. Suitable for soft to hard formations.

                 3 wing drag drill bit for well drilling

Product Description


Step Drag Bits 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 bit are manufactured from forged high quality alloy steel and premium tungsten carbide insert, plus state of art welding technology and multiple precision heat-treatment to provide highest penetration rate and longest lifespan at roughest condition


Drag Bits



Three-wing and Four-wing Regular step drag bits


2 3/8'',2 7/8'',3 1/2'',4 1/2'',       6 5/8'', 7 5/8'' API REG

Three-wing and Four-wing Heavy step drag bits


2 3/8'',2 7/8'',3 1/2'',4 1/2'',       6 5/8'', 7 5/8'' API REG



Photos show:






Packaging & Shipping



1). By Express like TNT, DHL, UPS, Fedex, Aramex, suitable for small bits total weight less than 45kg

2). By Air, suitable for urgent orders, total weight exceed 45kg

3). By ship, suitable for large quantity, will take more shipping time


The certification:




Our Services


How to choose the type:


shallow well, mainly consider the drilling speed and preventing the mud pack.

deep well,mainly consider the bit footage

When out of the well the outer cutter is broken heavily, should be selected with gage bit

In the ease of deviated section should use small and short cutter bit

In the selection of insert button bit, should use the wedge-shaped cutter

Diamond limestone, appropriate uses double bevel gear, projectile shape tooth bit

Shale more or drilling fluid density is larger, should be selected with a larger amount of slip drill

The formation of limestone, sandstone, should choose smaller slip bit

In drilling hard and high abrasive stratum, appropriate uses ball tooth, double cone tooth head.






 1. How to order the products?
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.  http://hengjibit.en.alibaba.com/

2. About delivery time?
Answer :
The delivery time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.

3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 , both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.

4.Trade Terms:

 payment:T/T. 30%deposits,70% before delivering.

If you have any questions ,pl tell me ,it is my pleasure to reply you.