As a leading provider of API 11B rods, Kunda carries a complete line of sucker rods, including Grade D, KD, H. According to various well conditions, the rods are available in AISI4138, AISI4720, AISI4621, AISI4330M and AISI 4142M, etc as per needs, which is similar to Norris 78/75/96/97 series.

Product Features：

Advanced manufacturing process, quenching and tempering, shot blasting, cold-form rolled thread, etc.
Advanced online fault detection to ensure the products delivered are all qualified.
Complete range of specifications, Grade D, KD, H, OD ranges: 5/8" to 1 1/4".