Professional Supplier of Shear-shear High-strength Bolts. One-stop Solution for Fastening in Steel Structure Engineering.

When it comes to building decks, docks, or waterfront structures, nothing shortens a project’s life faster than fastener corrosion.

Square bolts are versatile fasteners found in construction, machinery, automotive, marine, and DIY projects. Their unique four-sided head provides superior grip, making installation easier and more secure compared to hex bolts. Discover where square bolts are commonly used today. Explore applications in construction, machinery, automotive, marine, and DIY projects, and learn how to select the right bolt.

A self drilling screw has a sharp drill point that lets you drill, tap, and fasten in one motion. You do not need to make a pilot hole. This self-drilling design saves time and effort. See how much faster it works:FeatureTraditional ScrewSelf Drilling ScrewNeed for Pre-drillingYesNoAverage Installat

No, you generally do not need to predrill for self drilling screws. These self drilling screws feature a built-in drill point, which lets you drive them directly into metal or other materials without extra steps. You save time and effort because self drilling screws streamline installation, making o