roller bit stabillizer
USD $200 - $30,000 /Piece
Min.Order:1 Piece
Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
1. API 4145H 36" oilfield drill string stabilizer
2. non-magnetic or 4145h materials
3. top quality with rich experience
duct description
zhongcheng's oilfield drill string stabilizer are manufactured from one solid bar of AISI 4145H modifed steel, usually have 3 blade or 4 blade. Professional heat-treatment process gurantees the mechanical strengths meet the requirments of API SPEC7-1. Hardness of 285-341HB can be assured both 1” beneath the outer surface and 4 quadrant acrosss the neck OD.