10" drilling step drag bit for water well drilling

10" drilling step drag bit for water well drilling

3 wings step drag bits are one piece construction of alloy steel cast with tungsten carbide cutting tips and gauge sides to ensure longer life. It has 3 wings and 3 flushing holes. Compared with 4 wings, 3 wings step drag bits tend to drill faster and aggressive, whereas, are shorter lasting and less durable.3 wings step style drag bits will produce larger cuttings force than chevron style drag bit. Rotary table speed ofstep drag bits should be between 60 and 80 rpm with light weight on bit (WOB).

3 wings step drag bits are economical tools when drilling softer geological formations and shallower depths, they are primarilydesigned for soft tomedium formations, such as Clay, Loam, Silt ,Mostsoft-to-medium soilsthat have some moisture, etc. And also step drag bits are recommended for drilling in Mining, Exploration, Environmental, Water well, Geo Exchange, etc.

Note: The diameter and thread showed as above are usual size, other sizes are available upon request.

Thread size: 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'' API IF, 2 3/8'' API IF, 2 7/8'' API IF, A Rod, N Rod, AW, BW, NW, AWJ, BWJ, NWJ.

 Packing : Drag bits will pack in cardboard and plywood case.

Shipping : Drag bits will ship by sea , by air , by Express , etc .

10" drilling step drag bit for water well drilling

1. OEM & ODM , as your request . 

2. Best quality control : we have our own experienced QC team and the third party test .

3.Quick response .

4.Quick delivery .

5.Best after sevice .

10" drilling step drag bit for water well drilling

5 inch 127mm 3 wings chevron drag bits for water well drilling rig

Q1: Are you a manufacturer?

A1: Yes, we own 3 plants to manufacture various drilling products, including self-drilling anchoring tools, DTH drilling tools and TH (top hammer) drilling tools. Meanwhile, for some items we do not produce in our own plants, we are authorized distributors by some brands, like G brand of TH (top hammer) drill rods. So we are a one-stop supplier of full range of rock drilling products.

Q2: What qualifications do you have?

A2: Till 2016, we have following qualifications:

1)      ISO 9001:2008 management system;

2)      3AA2 credit rating by Dun & Bradstreet;

3)      Honoring Contract and Keeping Promise Enterprise by AIC.

4)      EC examination certificate for self-drilling anchor bars.

5)      2 invention patents & 6 utility patents.

Q3: Where did you export and what was your annual export amount?

A3: Till 2016 we have exported to 84 countries and our average annual export amount within recent 3 years is 11 million USD.

Q4: What kind of payment terms do you offer and what is your best payment terms?

A4: We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc. Our best payment terms is 120 days after shipping date for our distributors and sole distributors.

Q5:Do you offer warranty on your products?

A5: Yes, for different products we offer different warranty that cover all manufacturing defects in materials and workmanship. The longest period of warranty is 2 years after shipping date.

Q6: Do you offer OEM service?

Q6: Yes, we can offer OEM service if you have regular requirement.