We can manufacture all kinds of drill rod as per customer's requirments.
| Type | O.D.of the outer tube (mm) | I.D.of the inner tube (mm) | Outer dianeter of joint (mm) | Type of threads | Effective length (m) |
| WB114/65 | 114 | 65 | 156 | 41F | 6 |
| WB127/76 | 127 | 76 | 162/168 | 41/21F | 6 , 9.5 |
| DB127/76 | 127 | 76 | 184 | 51/2FH | 9.5 |
| WB140/88 | 139.7 | 88 | 184 | 51/2FH | 6,9.5 |
| WB219/130 | 219 | 130 | 240 | Factory standard | 6,9.5 |
| WK76/32 | 76 | 32 | 78 | 3" Remet | 3 |
| WK102/41 | 102 | 41 | 103 | 4" Remet | 3 , 6 |
| WK114/52 | 114.3 | 52 | 116 | 4 1/2" Remet | 3 , 6 |
| WK114/38 | 114.3 | 38 | 114.3 | 4 1/2" Metzke | 3 , 6 |
| WK114/50 | 114.3 | 50 | 114.3 | 4 1/2" Remet | 3 , 6 |
| WP50/20 | 50 | 20 | 50 | 1 , 1.5 | |
| WP73/35 | 73 | 35 | 73 | 1 , 1.5 | |
| WP89/40 | 89 | 40 | 89 | 1 , 1.5 |

Q: What is your delivery time?
A: Our standard production time is around 20 days. If the items are in stock, we can ship within 3 days.
Q: How do you ensure product quality?
A: We conduct strict quality inspections and performance tests on every drill rod before shipment to ensure reliability and durability.
Q: Do you accept sample orders?
A: Yes, we welcome sample orders. It’s a great way for you to evaluate our product quality before placing a larger order.
Q: Are your drill pipes heat-treated?
A: Yes, all of our drill pipes and casings undergo professional heat treatment to enhance their strength and performance.
Q: Do your drill pipes have anti-rust protection?
A: Yes, each drill pipe and casing is coated with anti-rust paint or anti-corrosion oil before shipping. If you require galvanized pipes, please let us know.
Mrs. Tina Zhao
Email: tina@baiweidrill.com.cn
Whatsapp/Wechat: +86 13507065529