Type 325 -- used for ASTM A325 bolts,  Type 490 -- used for ASTM A490 bolts(3), chooseThe material and performance requirements shall comply with the provisions in ASTM F959 standard
Enter autumn in September, the weather turns cool, machinery and equipment operating environment temperature is reduced, makes its production, hexagonal drilling screw, dry wall screw, fiber board screw, hex bolts and nuts, flange bolts, carriage bolts, etc. Products not only meet the needs of cu
Packaging is the last part. It is very hot in August. Our staff are putting the screws into the box.The company will always remember those hardworking employees who have made a real contribution to the company's performance and earned the trust of customers.
In order to increase production, our company's production workshops are fully equipped with machines to meet the customer's delivery time requirements.The workshop basically realizes the mechanical automation, the good quality and the output stability, also has the delivery time efficiency, this is
While the coVID-19 epidemic is developing rapidly all over the world, the epidemic in China has been completely brought under control and China has resumed its work and production.Under the management of various government units, our company strictly implements epidemic prevention requirements.
1. Bolts are widely used in mechanical manufacturing. They can be disassembled and connected. They are generally used together with nuts (usually with one washer or two washers） 2. Bolts are generally used for fastening or fixing 3. Hexagon head bolts are mainly used in important places with high as