Coarse thread square head bolts include 4.8 grade bolts, 8.8 grade bolts, 10.9 grade bolts, and 12.9 grade bolts. Coarse threads are suitable for use in places that need to withstand greater tension or impact.Square head bolts can meet all kinds of your needs, such as repairing furniture, assembling machines, etc. They are no longer as prone to slipping or rounding as other bolts. If you place a bulk order, we will provide you with a detailed quotation and preferential discounts.
The Square head of the coarse thread square head bolts is the most crucial. Compared with round heads and hexagonal heads, it has a larger contact surface with a wrench. When using an open-end wrench or socket to tighten, you can fully exert your force. It is particularly suitable for use in places with large Spaces and where forceful tightening is required.
Square head bolts have strong versatility. There are many specifications of this kind of bolts, ranging from thin to thick and from short to long. Whether it is connecting thin iron sheets or thick wooden boards, the appropriate size can be found. Moreover, it can be used in conjunction with ordinary nuts without the need to specifically look for special accessories.
Square head bolts can be used for the installation of bicycle shelves. When riding a bicycle, it will jolt. The square-head bolts can firmly fix the shelves and the frame, preventing them from loosening due to vibration and ensuring safety when items are placed on the shelves.
Coarse thread square head bolts are characterized by being easy to tighten and strong. Its head is square, so when using a wrench to tighten it, the contact area is large and it is less likely to slip. There are threads on the screw, which can work in conjunction with the nut to firmly fix things.