Ideal for all flooring - softwood, fibreboard, hardwood. Will not work loose - eliminates squeaky boards. Flush neat fix without damaging board. No pilot hole necessary. Working with fibre or wooden floor boarding? Be sure of a neat and flush fix with these Floor-Tite floorboard screws - they're quick and easy to drive in without damaging the timber, and won't work loose over time. Perfect for all flooring - softwood, fibreboard, hardwood. Won't work loose - no more squeaky boards. Flush, neat fix without damaging board. Easy to drive in with no pilot hole necessary. Removable - won't damage the board if removed. Floor-Tite Tri-Lock Pozi Screw 4.2 x 45mm (200 Pack) in Blue. Floor-Tite is a high performance flooring screw that performs in almost all materials, including hardwoods, softwoods, P5 boards and chipboard, that does not work loose over time, eliminating squeaky boards. Easily driven without a pilot hole the screw will not blister the material and provides a neat flush fix. Tri-Lock threadform means the screw will not work loose - eliminates squeaky boards. Easily removable. Ribs underhead means a flush neat fix without damaging the board. CPT hardened means no pilot hole necessary. Part thread eliminates blistering. Tri-Lock threadform allows close to edge driving. Twin start means straight driving - will not kick over. High pull-out retention due to a single coarse thread makes a secure fix. CE Certified. Zinc and blue-passivated and case-hardened. Tri-Lock threadform and shank incorporate the benefits of a single coarse thread with a twin thread start. Spiral point, part thread and under-head ribs for self-countersinking. Flush, neat fix will not work loose, prevents squeaky boards. No pilot hole necessary. Ideal for all flooring such as softwood, fibreboard and hardwood.