Hebei Qianmu Fastener Manufacturing Co.,Ltd.

Thread Rod Hex Bolt factory price Thread Rod Supplier Size: M6-56 Standard: DIN/ANSI/GB Surface:Zinc/HDG/Black As the name implies, Hex cap screw and Hex bolt are Hex type external screw fasteners with hexagon head, which are designed to rotate with a wrench. In accordance with ASME B18.2.1, the Hex cap screw has a smaller tolerance for head height and rod length than the common Hex bolt, so the ASME B18.2.1 Hex screw is suitable for all areas where the Hex bolt is usable, including where the Hex bolt is too large to be used. Thread Rod Details Hexagonal, round, square, heavy, etc. Hexagonal heads are the most commonly used. Usually countersunk head is used to require connection After the surface is smooth and not protuberant place, because the heavy head can be screwed into the part. Round heads can also be screwed into parts. The tightening force of the square head can be larger, but the size is large. In addition, in order to meet the need of locking after installation, there are holes in the head and in the rod. These holes can keep the bolts from loosening when they are subjected to vibration. Some bolt do not have the polished rod of screw thread to do fine, call fine waist bolt. This bolt is good for coupling under variable force. There are special high strength bolts on the steel structure, the head will be larger and the size will be different. In addition, there are special USES: t-slot bolts, the most used on the jig, special shape, both sides of the head to cut off. Anchor bolts, fixed for connecting machines to the ground, come in many shapes. U-bolt, as described above. And so on. Still have the special stud that welding USES, one end has thread one end not, can weld on the part, screw nut directly on the other side. We are a Wood Screw wholesaler. Since the beginning of this century, the company has been engaged in wedge anchor,white zinc plated drop in anchor,Expansion Bolt and custom chemical anchor manufacturing industry, and has won widespread favor and approval. If you are interested in our products, click here to find out more.