new style auto fasteners bolts and nuts

the rear hold cap is the most important key to play a locking effect , it has a fastening outside cone consistent with the taper of compression cap , the diameter of cone is greater than the one which in the compression cap . When installing it , the cone outside will express inward along the cone within the compression cap , under the express of the inside cone , the pore size of outside cone will narrow , when the hexagonal part of the two themes all pressed , the outside cone of lock nuts has already hold fast to the fastening bolts.

Name	new style auto fasteners bolts and nuts
Material	Carbon steel
Surface	Zinc plated, hot dip galvanization
Samples	Can be provided free
Size	M10 –M24
Installation place	Electrical transmission tower, communication tower and highway fence
Antisepsis time	25-30 years
Certification	ISO 9001:2008