3 wings full flush step drag bits

3 wings full flush step drag bits
3 wings full flush step drag bits are one piece construction of alloy steel forged or cast with Tungsten Carbide cutting tips and gauge sides to ensure longer life.This step drag bits have 3 wings and 3 full flushing holes. Compare with air flushing, full flushing has bigger holes which are good at fushing. And it can preferably be beneficial to discharge mud, clay, sand and so on. The angle between each wing is 120 degree, distribute in the body of bit equably.Its each wing has 3 stairs, which can enhance bits penetration speed in the hole and increase bit torque.

Features
• A solid one piece heat treated, 4140 alloy steel body for bit strength & durability;
• CNC threaded machining for proper installation &use;
• Forgings are milled to better seat the carbide inserts.
• Select tungsten carbide inserts 5.5mm thick are standard.
• Relief is hand ground behind carbide inserts for maximum performance.

Our advantage:
1. Enterprise group combines manufacture and international trade;
2. Strict quality controll system with perfect equipment;
3. High technology enterprise with advanced production equipments;
4. Prompt delivery and all-around after-sales service;

FAQ
A: Are you trading company or manufacturer ?
Q: We are manufacturer.

A: Do you provide samples ?
Q: Yes, of course. We welcome sample order to test and check quality.

A: Can you accept small orders?
Q: We enjoy to cooperate with all clients whatever big or small order.

A: Could you accept OEM & ODM?
Q: Of course, as a manufacturer, OEM & ODM is available, our professional R&D center can help you on the project.

A: How long is your delivery time?
Q: Usually it's about 20 days,depends on your actual quantity.
Any question, pls feel free to contact . Thanks!