• Automotive manufacturers use a variety of bolts and fasteners to assemble vehicles, depending on the specific application and requirements. However, some common types of bolts used in automotive applications include: Hex Head Bolts: Also known as hex head bolts, these bolts have a six-sided head that can be tightened or loosened using a wrench [...]

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  • This is a custom M12 EJOT PT × 47mm Torx screw, the screw thread has had crooked during produced. Here we summarize some reason why screw thread will be crooked during produced. 1. Machine Error: If the machine that produces the screw is not properly calibrated or maintained, it may produce screws with uneven [...]

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  • Tensile strength is the mechanical property most widely associated with standard threaded fasteners. Metric Fasteners come in variety of strength, the grade ranging from 4.8 to 6.8, 8.8, 10.9 and 12.9. Let's discuss the strength grades of metric fasteners today. Grade4.8 Tensile strength is 400Mpa. The tensile strength is equivalent to the strength [...]

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  • King Tower are able to provide a variety of thread types for all kinds of fasteners, but as each fasteners may be used in a different way, it’s good to understand what type of thread you are looking for your custom fasteners. There are three standard thread series in the fastener, Metric(M), UNC&UNF and BSW&BSF. [...]

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  • A fastener (US) or fastening (UK) is a hardware(or components) device that mechanically joins or affixes two or more parts together. Fasteners that have been included in the standard system are called standard fasteners. Standard fasteners include : bolts and screws, nuts, screws, washers & retaining rings, pins, rivets, welds, rigging & tools, anchors. Fasteners that [...]

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