M100 Metric Stud Bolt Metric Size B7 B7M B16 Threaded Stud Bolt

Stud Bar DIN975 976 Metric Size B7 B7M B16 "End to End" 

1) before use, confirm whether the mechanical properties of the product meet the customer's requirements (such as the tensile strength of bolts and the safety load of nuts).

2) the length of the bolt should be selected appropriately. 1-2 tooth spacing of the nut exposed after tightening shall prevail.

3) the thread of the front tooth strip should be kept clean.

2. How to use the teeth correctly

1) when the teeth are tightened, it should be noted that the force direction of the wrench should coincide with the screw axis, and do not tilt.

2) in the process of tightening, the force should not exceed the safe torque and should be uniform. Try to use a torque wrench or sleeve.

3) too fast locking speed will lead to lock dead, it is recommended not to use electric or pneumatic spanner.

4) keep the thread clean. In order to ensure the smooth fit of screws and nuts, it is recommended to put the product in a clean container for use instead of plac