2 3/8", 3 1/2", 4 1/2", 6 5/8" API REG or As per request
Suitable drilling formations:
soft rocks, such as mud, clay, sand etc..
with tungsten carbide inserts
Packaging & Delivery
cartons or wooden cases
Within 5 working days after payment.
Drilling drag bit, Chevron step drill bit for clay sand water well drilling
The Drag Bits can penetratesofter formations such as stiff clays and mudstones very quickly. Usually used for construction or other site investigation projects. It has two types, Step Type and Chevron Type.
Forsun can design the special size per customers' requirements.
Generally, available with following sizes:
Q: Are you a manufacturer or trading company?
A: We are a manufacturer, the factory is located in Changsha, Hunan, China.
3. Transportation: By DHL/UPS/Fedex express, air, sea, train.
Q: How about discount?
A: Price is based on order quantity.
Q: Do you accept sample order?
A: Yes sure, please contact us for details.
Q: How about your after-sales service?
A: As a manufacturer, we offer promt technical support for all issues. Besides we accept goods return or replace for quality problem.
Q: How does your company control the quality?
A: Quality always comes first. In order to guarantee quality for our products, Forsun always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004.
Packaging & Shipping
* Above is our ordinary ways of package and delivery.