Special Hex Socket Flange Head Screws With Cutting Thread

車門鉸鏈

This knurled head bolt consists of a series of small ridges that are rolled onto the surface of the head, provides a better grip, making it easier to turn the bolt by hand without the need for tools.

a) A step shoulder pin has a shoulder, or stepped section, where the diameter changes. This creates a larger diameter at one end of the pin, forming a "step." Unlike threaded pins, these pins do not have threads along their length. They are smooth and cylindrical.

b) Step shoulder pins are used in applications where precise alignment, and secure positioning are required.

T-foot mounts are commonly used in solar panel installations primarily on pitched or sloped roofs. It is designed to be used with wood screws and can be quickly installed on the roof. 

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。