Special big collar hinge pin with internal threads

a) External hexalobular socket (6 lobe) / metric thread / self tapping thread for thermoplastics.

b) A double-end stud with collar is a type of fastener that features threaded ends on both sides and a non-threaded central collar or flange. Thread types of both sides can be customized according to customer's request, differen surface treatment is available upon request. 

This stud pin is produced using open die forming and features a cylindrical knurled head and a specially designed pin shape.

a.) It is a specialized screw designed for applications where a low-profile head and precise fastening are required.

b.) The groove under the collar serves various purposes, such as enhancing grip and accommodating additional components.

a.) A taper pin is a cylindrical fastener made of steel that tapers uniformly from one end to the other, with one end having a slightly larger diameter than the other.

b.) This gradual taper allows the pin to fit tightly into a tapered hole, creating a secure, frictional hold without the need for additional fasteners or adhesives.

a.) These screws combine the attributes of a flange-headed bolt with a triangular head. This unique design requires a matching triangular driver for installation or removal.

b.) These bolts are excellent at providing minimal tamper resistance and security. While these bolts provide some level of security, they are not as secure as other security screws. Therefore, caution should be exercised when using them in applications where security is paramount.

a) External hexalobular socket (6 lobe) / metric thread / tapping thread for both ends. 

b) A double-end stud with collar is a type of fastener that features threaded ends on both sides and a non-threaded central collar or flange. Thread types of both sides can be customized according to customer's request, differen surface treatment is available upon request.