Wuyi County Health Culture and Education Co., Ltd. Yuan Nail technical requirements: size and tolerance 1. Shank: Shank bend should be less than the nominal length of 0.05 percent. Length less than 20mm of visual should be no bending, bending measurement by YB / T5002 specifications. 2. Shank near the cap portion should be clearly tooth profile, one side is 7-9, the word nails needle Which is strong, both sides of 14-18 bar 3. shank nails should be smooth and rounded tip: nail tip angle L ≤45mm of ≤30 ° L> 45mm nail tip is ≤32 ° rhombic cross-sectional shape should not be a significant bald, crooked. 4. eccentricity: the nut and the eccentric shank center distance shall not exceed 13% of the nominal shank diameter of 5 mechanical properties: tensile strength yuan nail in the formulation should be consistent GB343 wire requirements. 6. Quality: The sum of the rate of time and a waste nail nail rate should not exceed 5% of the high-quality product quality, welcome customers and friends came to discuss the order! History of Culture and Education Ltd. Wuyi County Health staples: the early 1980s nails are widely used in developed countries, the amount accounted for 15% -20% of the world total of carpentry nails consumption. 1990s, the word nails needle manufacturers address, with the prosperity of China's opening up of development and construction, decoration and furniture industries, the word nail needle purchase, this new nails, nail needle Huzhou word, beginning in our application, and the amount increases every year. For inquiries, please call contact picture on us, we will be happy to serve you. Word nails needle purchase, Dongsheng culture and education, Huzhou word nails needles provided by the Health and Culture and Education Ltd. Wuyi County. Wuyi County Health Culture and Education Ltd. (10003015604.ce.cc.com/) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!