40mm tek screws

Lag screws, typically used for heavy-duty applications like securing wooden beams or attaching metal to wood, have traditionally required a separate drilling step before the screwing process. However, with the advent of self-drilling versions, this dual-step process is consolidated into one swift action. The self-drilling tip, often featuring a sharp point and flutes, cuts through material effortlessly, whether it's wood, metal, or even concrete, making them highly versatile.

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While not fasteners in the traditional sense, washers are often used in conjunction with bolts, nuts, and screws to improve their performance. Washers distribute the load of the fastener over a larger surface area, helping to prevent damage to the material being fastened and reducing the risk of loosening due to vibration. There are several types of washers, including flat washers, lock washers, and fender washers, each serving specific functions in various applications.


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