Supply GB nuts, Yongnian County Bowen fasteners Handan professional GB nut manufacturers, provide the latest price quotes, as the quality of GB nut processing distribution, providing the latest GB nut sales charts for merchants to provide strong GB nut News News. Welcome new and old customers to visit a professional GB nut, to discuss cooperation! International nut inspection is a very important thing, the relationship between the nut quality and specifications are qualified, there are three types of nut check: full inspection, sampling and self-test. Statistics based on multi-GB nuts, nut I had due to damage cause an annual loss of public property or safety of losses of up to a billion dollars. Affects the quality of the nuts development of national economy. Supply GB nuts, Yongnian County Bowen fasteners Handan professional GB nut manufacturers, provide the latest price quotes, as the quality of GB nut processing distribution, providing the latest GB nut sales charts for merchants to provide strong GB nut News News. Welcome new and old customers to visit, to discuss cooperation! NC test: Measuring for vernier caliper and micrometer diameter. Detection nut hole diameter. The measurement results than the tolerance of 0.1 mm or more large direct scrap, rework required ratio tolerance of small 0.1 mm. Measuring nut H values ??are controlled by the spindle nut, test results must be close to the nut and threaded spindle, not very loose. Production GB nuts | Yongnian hex nut factory GB | Bowen (certified) | GB nut provided by Yongnian County Bowen fasteners. Yongnian County Bowen fasteners (www.bwjgj.com) is Handan, fasteners leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Bowen fasteners leadership with the staff warmly welcome all inquiries negotiations to create Bowen fasteners a better future.