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HUAXIA STANDARD PARTS
Self-tapping screw
Cross-recessed hex head self-tapping screw with flat washer
Cross-recessed hex-head self-tapping screws with flat washers are ideal for applications requiring high clamping force, substantial load-bearing capacity, and robust assembly strength. They are commonly used for joining metal sheets, securing thin steel plates in steel structures, mounting equipment housings, fixing appliance bases, installing air-conditioning brackets, assembling electrical cabinets and distribution boxes, manufacturing automotive components, and fastening roof panels and color‑steel roofing tiles during construction and installation.
Nylon washer combination self-tapping screw
Nylon‑washer‑combined self‑tapping screws are self‑tapping screws pre‑fitted with nylon washers. Nylon washers typically provide cushioning, sealing, anti‑loosening, and scratch‑prevention functions. They are well suited for joints that require water resistance, vibration damping, secure fastening, and surface protection—such as securing electrical enclosures, installing lighting fixtures, automotive components, electric‑vehicle body panels, connecting metal and plastic sheets, outdoor equipment, hardware on doors and windows, and fastening mechanical cover plates.
Cross-recessed self-tapping screw
Cross‑slot pan‑head self‑tapping screws are a very common type of self‑tapping fastener. They also have several well‑known advantages: the cross slot facilitates installation, the pan head provides a substantial clamping area, and the self‑tapping threads cut their own path into the material, making them suitable for joining a wide range of substrates. These screws are primarily used for assembling appliance housings, securing plastic components, connecting thin metal sheets, installing furniture hardware, assembling toys, mounting electrical switch panels, attaching protective covers to machinery, fitting window and door accessories, installing lighting fixtures, and fastening small interior automotive parts.
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