Product Overview

Square drill rods feature a square cross-section and represent a traditional design, reliably transmitting torque from the rotary table to the drill string. Manufactured from high‑strength alloy steel and subjected to full‑length heat treatment, they comply with API 7‑1 standards. Custom sizes are available to match your rig specifications.

Product Description

• Basic Information: The square Kelly is the most common type of square drill pipe, featuring a square cross-section that engages with the rotary table. This square design ensures reliable torque transmission and is widely used in conventional drilling operations. The product is manufactured from high‑strength, highly wear‑resistant alloy steel and undergoes full‑length heat treatment to ensure uniform and consistent mechanical properties. Both ends can be fitted with various thread connection types.

• Application scenarios: Suitable for conventional rotary drilling operations requiring reliable torque transmission; suitable for standard rotary rigs that do not utilize a top drive system.

• Product Advantages: Mature design with reliable torque transmission; constructed from high-strength alloy steel; undergoes full-length heat treatment; certified to API 7-1; supports custom dimensions.

• Customer Feedback: The traditional first choice for drilling operations worldwide; highly regarded by customers for its time-tested reliability.