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 PANDADRILL can make 4 or 5 or 6 wings following your drawings or samples. Many special designs are available upon your request.
.Drag bits are made according to API standard or NROD thread standard or others.
.Various step and chevron drag bits are available from 3 inch to 24 inch.
.There is very good feedback because of the quality and price.
.Different drag bits can be made according to your drawings or samples.
|Side Cutter||WITH OR WITHOUT|
|Model||specification||bit pressure(Kg)||speed(rpm)||Pump volume flux(1/min)|
|Type||Specification||Applicable Rock Formations|
|Ordinary PDC bit||Without Side cutters||F & lt; 10|
|Strengthen the PDC bit||With Normal Side Cutters||F=10-12In the hard rock|
|High strength PDC bit||With Convex Side Cutters||F<18 Hard rock|
Q1: Can I have a sample for testing?
A:Samples are still to be paid but discounted price can be provided.
Q2: Do you have the inspection procedures?
A:100% strict inspection and testing for every order before packing.
Q3: How can i get the after sale services?
A:Free replacement will provide once the problems casued by our product quality.
Q4: Can I have a visit to your factory before the order?
A: Sure, welcome, here is our address: Yantai, Shandong.