Special big collar hinge pin with internal threads

This screw features a hexalobular socket head, big shoulder, and PRECOTE on metric threads

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.) A double-ended threaded rod is a type of fastener that features threading on both ends of the rod, with a section in the middle that may or may not be threaded.

b.) This design allows the rod to be used in applications where two components need to be joined, often with nuts or other fasteners securing the ends.

T-bar is a useful tool that provides additional leverage for applications requiring significant torque, allowing users to apply more force to turn or manipulate a tool or fastener. Its simplicity and effectiveness make it a valuable addition to many toolkits.

a.) 焊接螺栓是一種螺紋緊固件，當一旦與對手件鉚合後，即可提供耐用且可靠的固定。 通常這些螺栓在其頭部上方或下方會有不同形狀的“焊接點”，可因應不同產業需求自訂, 來滿足特定的要求。

b.) 此焊接螺栓具有 360° 的凸出焊接圈，其可提供全面密封，防止油、空氣或水洩漏； 春澤可提供各種螺紋外徑、材料、及尺寸的工業用焊接緊固件。

Very similar to DIN 6912 hexagon socket cap head screw, shoulder and dog point