self drilling screw 1

When using 50 mm chipboard screws, it's essential to pre-drill holes to prevent splitting and to guide the screw for straight insertion. The pre-drilled hole should be slightly smaller than the screw's shank to allow for a tight fit The pre-drilled hole should be slightly smaller than the screw's shank to allow for a tight fit The pre-drilled hole should be slightly smaller than the screw's shank to allow for a tight fit The pre-drilled hole should be slightly smaller than the screw's shank to allow for a tight fit50 mm chipboard screws. It's also advisable to use a screwdriver or drill with a clutch setting to prevent over-tightening, which could damage the board or strip the screw threads.

...

A 4PCS fix anchor is a type of anchoring system designed to provide strong, secure holds for various construction materials, particularly in masonry and concrete settings. The term 4PCS refers to the design consisting of four components, which typically include an anchor bolt, a washer, a nut, and a sleeve or expansion component. This multi-part construction allows the anchor to offer enhanced grip and stability, distributing weight and resisting pull-out forces more effectively than simpler designs.


...

The 38mm length is a popular choice for several reasons. This size is ideal for applications where a deeper penetration into the framing is required, providing increased structural stability. The longer length allows the screw to anchor firmly into the stud or beam, ensuring the drywall remains securely fastened. It is particularly useful in situations where thicker drywall or multiple layers are being installed, as it can penetrate through the drywall and engage the substrate effectively.

...