Supply stud HG20613, Yongnian County, Handan Bowen is a professional stud fastener manufacturers to provide the latest offer price, as high-quality processing of stud distribution, supply the latest sales charts stud for businessmen strong stud news. For inch thread, the external thread has the following three grades: 1A, 2A, 3A. Internally threaded levels have the following three: 1B, 2B, 3B, all belong to a clearance fit, the higher the level, the more tight fit. For inch thread, 3A level deviation deviation 0,1A and 2A is the same. Supply stud stud wholesale, Yongnian County, Handan Bowen is a professional stud fastener manufacturers to provide the latest price quotes Yongnian studs, as a high-quality processing of stud distribution, supply the latest stud sales charts, for businessmen to provide strong stud news. Welcome to the new and old customers to visit the stud, to discuss cooperation! Studs generally have to go through a surface treatment, surface treatment of the bolts there are many types, generally used in electroplating, black oxide, phosphate, non-electrolytic zinc flake coating treatment. Wholesale stud, stud manufacturers Picks | Bowen (certification), the stud by the fastener Yongnian County Bowen. Yongnian County Bowen fasteners (www.bwjgj.com) is Handan, fasteners leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Bowen fastener leadership with the staff warmly welcome all inquiries negotiations to create Bowen fastener better future.