What 's the specialized china bolts used in construction?The structural bolts also can be divided according to the different aspects.According to the different degrees ,The 4 to 8.5 degree are the most widely used.Based on the different usage species ,The wood screw are the most common. As a conclusion,The expansion bolt, countersunk head bolt, expansion nail block, cement nail, pan head self tapping, turnbuckle and etc, are the most widely used in the construction.
What’s the types of the double Headed Bolt ? 1）According to the different force ways in connection ,The special china bolts can be divided into the Ordinary and with the use of hinged hole. 2)The bolts fasteners can divided into the Hex bolts,Road bolts,Square bolts, countersunk head,double headed bolt and etc. 3)The double Headed Bolt and anchor bolt