Single head boltIt refers to a type of fastener consisting of a cylindrical body (screw) with an external thread and a head. Its function is to fasten and connect two parts with through holes. This type of bolt needs to be connected with a nut With the use of. Single-head bolts are a kind of bolts. Their usage and purpose are more flexible and convenient than ordinary bolts. Generally, they can be used as ordinary bolts after adding a nut on the unthreaded end. The surface treatment of this kind of bolts is the same as ordinary bolts: electro-galvanized or hot-dip galvanized or stainless steel polishing and black zinc, etc. The materials of the products are mainly Q235, 45# steel, stainless steel, etc., according to specific requirements.

Standard parts on the market mainly include three materials: carbon steel, stainless steel and copper: low carbon steel: C%≤0.25%, which is usually called A3 steel in China. Medium carbon steel: C%=0.25% high carbon steel: C%> 0.45% alloy steel: adding alloying elements to ordinary carbon steel, Qingdao Haorui Steel Products Co., Ltd. is a professional R & D and production of different industries for various industries High-quality hardware products such as fasteners of material specifications, non-standard shaped screws, nuts and so on. The company can produce all kinds of screws and bolts: cylinder head bolts, oval head bolts, countersunk head bolts, hexagon head bolts, half countersunk head bolts, flat round head bolts, flat washer heads and other types of screw bolts; the screw groove type can have: cross recess Screws, plus and minus slotted screws, slotted screws, triangular slotted screws, square slotted screws, square slotted screws, hexagon socket screws, Pozi-slotted screws, Phillips screws, Phillips slotted screws, H-slots, etc. Screws etc.