Concrete Screw
Source concrete screw from India's verified manufacturers and exporters on Himalay. Browse the full range for industrial and export applications.
About Concrete Screw
Concrete screws are self-tapping masonry anchors that cut their own thread directly into a pre-drilled hole in concrete, block, brick or mortar, providing a removable, vibration-resistant fixing without an expansion sleeve. Driving the screw forms a mechanical interlock as the high-low thread profile bites into the substrate, which is what gives the fastener its holding capacity. Common variants are distinguished by head style — hex-washer head for structural fixings, flat countersunk Torx or Phillips for flush finishes — and by diameter, typically in the 6-12 mm range with embedment depth set by the load case. Some are supplied with a matched carbide drill bit so hole diameter, the most critical install variable, stays correct. Base material is usually carbon steel, hardened and tempered for thread-forming strength; corrosion protection ranges from blue or clear zinc plating for interior use to hot-dip galvanising and proprietary coatings for exterior and damp exposure, with stainless variants where chloride or marine conditions apply. Performance in cracked and non-cracked concrete, edge distance and spacing generally govern allowable loads. On the configuration side, the most critical variables are hole diameter and depth, embedment, and the seating torque, since an oversized hole sharply reduces pull-out capacity; this is why matched carbide bits and torque guidance are commonly supplied. Manufacturers generally verify thread-forming, torsional strength and pull-out on a sampling basis against the nominated substrate. Where specified, Himalay coordinates material traceability, mechanical test data (tensile, torsional and pull-out where available), salt-spray corrosion reports and coating-thickness records, with European Technical Assessment / ETA-route documentation and RoHS/REACH declarations arranged where the destination market and application demand it, coordinated as part of the standard order flow.
