Connecting two sheets of stainless steel material can be problematic for a number of reasons. Self-drilling screws can help to solve some of these issues and DD Fasteners Bi-Metal can supply these essential components in a game-changing format made using two ...

During use, steel parts are prone to electrochemical corrosion and chemical corrosion due to the influence of the working environment. It is common in industrial applications to improve the surface properties of workpieces through surface treatment technology ...

Self-drilling and self-tapping screws can be drilled, tapped, and locked directly on the setting materials and basic materials at once and quickly. They can be quickly and automatically drilled and directly tightened and fixed, which saves construction time to...

DD Fasteners provide a full range of high-efficiency and energy-saving drill tail screws and self-tapping screws. The drill tail has fast, stable and efficient performance. The drill tail can easily drill through 6mm ~ 9mm thick iron plates, and the #5 tail s...

In addition to being used in some engineering projects, drilling screws are also suitable for home decoration. Compared with other screws, self-drilling screw have the characteristics of direct drilling, tapping, locking, etc., which greatly saves construction...

Self-drilling screw  cuts off the drilled object (steel plate, aluminum plate, etc.) through the drill tail at the tail, and then directly taps the thread with the thread, and then locks it. In this seemingly simple fastening process, the most critical step i...

Self-drilling screws have many different head shapes, and many people don't know that the different head shapes have different functions. Among the internationally recognized Self-drilling screws head types, there are several commonly used head types, each ...

El diseño especial del extremo de perforación de los tornillos de perforación permite que los tornillos de perforación/tornillos de construcción integren las tres funciones de "perforación", "roscado" y "bloqueo" al mismo tiempo. Su dureza superficial y ...

Self Drilling Screws  are available in a variety of shank lengths and diameters. Diameter is indicated by a numeric size that runs from #6 to #14, with #6 being the thinnest and #14 being the thickest. The #8 and #10 Self Drilling Screws are the most commonl...

Self Drilling Screws are used to fasten together steel or other metals and are typically used to join materials like sheet metal. The unique point or flute acts as the drill bit for the screw, effectively combining the screw with its drill bit. Since the self ...

Hex Flange Head #5 Point Fine Thread Self-Drilling Roofing Screw. Suitable for External Heavy Duty Steel-To-Steel applications. Usually for fixing metal decks to thick structural steel or bar joists. The unique Moon-Cut and Spiral Thread-Cut design help remove...

In order to save cost, many people want to avoid flat washer or spring washer. In fact, flat washer and spring washer respectively play an indispensable role in the use of bolts. Today let's introduce flat washer and spring washer to you. Left flat washer, rig...