Well Drill Rod Long Spiral Drill Pipe For Rock Drilling Hole Drilling

Frictional Resistance Kelly Bar

Long spiral drill pipes can be divided into single-wall hollow drill pipes and double-wall drill pipes. When the former is drilled to a predetermined depth, concrete is continuously poured while the drilling tool is raised, and then the reinforcement cage is inserted. The latter can be used to input air while drilling to reduce rotation resistance.

Service:

Jiayou Xincheng VIP service relieves your worries:

Troubleshooting within 24 hours, the responsible engineer will reply to you within 15 minutes, and provide simple troubleshooting via phone or email; if the problem cannot be resolved via phone guidance, we will issue follow-up troubleshooting solutions within 24 hours to solve your worries .

Packaging & Delivery:

Quantity(Sets):≥1

Q&A:

Q: How about your offer?
A: First of all, we are a factory, not just a trading company. Our price is not the cheapest in the industry, but we will quote the most reasonable price according to customer requirements.
Q: How about your delivery time and packaging?
A: We will deliver the goods in strict accordance with the time agreed in the contract, and will pack according to customer needs.
Q: How is your service?
A: 1. Quick feedback
2. Guarantee punctual delivery according to the agreed time
3. Perfect after-sales system
Q: How can I believe what you say?
A: Seeing is believing. We are waiting for your arrival at any time. I will take you to visit our factory, hoping to have the opportunity to provide you with better service.