3 8 x 1 1 2 self drilling screw

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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4metal deck anchors. Chemical anchors Chemical anchors rely on a chemical reaction between the anchor and the concrete to create a strong bond. They are commonly used in situations where pre-drilling is not possible or when additional holding power is required.

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