Supply GB bolt GB bolt size, Yongnian County Bowen Fastener processing national standard bolts, we have advanced technology, excellent equipment GB bolt weight, high-tech assembly line, is a professional national standard bolt supplier, reasonable price, complete specifications . Metric thread is MM (millimeters), its teeth sharp as 60 degrees. American thread and imperial threads are in inches units. US-made thread tooth sharp corner is 60 degrees, while the tooth cusp inch thread is 55 degrees. Due to the different units of measurement, resulting in a representation of the various threads are not the same. For example, it is represented as M16-2X60 metric threads. Supply GB GB bolt bolt manufacturers, Yongnian County Bowen national standard bolt fasteners specializing in processing, we have advanced technology, excellent equipment, high-tech assembly line, is a professional national standard bolts supplier, reasonable price and complete specifications. For hexagonal nut, common standards: GB52, GB6170, GB6172, and DIN934, the main differences between them are: GB6170 thickness than the GB52, GB6172, and DIN934 come thick, commonly known as thick nut. The other is on the edge of the difference. Ya'an GB bolts, GB bolts weight, GB bolt manufacturers Baidu Featured | Bowen Bowen by Yongnian County Fasteners. Yongnian County Bowen fasteners (www.bwjgj.com) in the field of fasteners devoted boundless enthusiasm and passion, Bowen fastener has been customer-centric, the concept of creating value for customers, quality, service to win the market, and sincerely hope to cooperate with the community to create success, to create brilliant. Related businesses welcome inquiries, contact: Guo Zhaofeng.