Spiral drill collar is manufactured three spiral groves on slick drill collar, which is used reduce contact
area to avoid efficiently bit sticking form differential pressure.
Spiral drill collar is made of 4145H modified Cr Mo alloy steel, its technical parameter meet with API Spec-7 standard.
We can process elevator recess, slip recess and stress relief slot according to customerís requirement.
We provide thread protectors free.
Contact Name: Vivian Zhao
Company Name: Jiyuan Sanhe Zhengyuan Petroleum Machinery Co., Ltd
Street Address: South Sanhe
Villiage, Sili Town, Jiyuan City,
Henan Province, China 454650
Member name: jiyuansanhezhengyuan
Member Since: 24 June 2009
Total Leads: 10 jiyuansanhezhengyuan Import Export Business Leads
Business focus: Drilling Tools, Drill Collar, Integral Heavy Weith Drill Pipe, Stabilizer, Pup Joint, Cross Sub
Verify: Safe Import Export Tips
Product Category: Drill collars