タイトルまたは説明

1.)material :*0Cr or other(according to demand)

2.)standard: API SPEC*1B

3.)Feature:

1.Coat Thickness(centimillimetre):**0centimillimetre more or less

 2. Basic hardness: HRA****2

 Surface hardness: HRC****2

 3.Life: > **0 days

4.Min. Tensile Strength: **5 Mpa

5. phosphorylate or not (according to demand)

4.)package:wooden case

5.)usage: oil exploration equipment, accessories, oil sucker rod coupling

XinDa Petroleum Machine Accessories Co., Ltd, founded in ***9, is a professional manufacturer of API *1B sucker rod couplings, including Spray Metal coupling, class T coupling, with various spec. of Full size, Slim Hole, grand chamfer, Two-way camber, etc. With world top level equipments and technicians, the monthly production capacity is more than **0,**0 pcs. All of our products are excellent in quality and low in price, which satisfied many of our customers home and overseas.