Concrete Screws Self Tapping

Concrete Screws Self Tapping Concrete Screws Self Tapping. Multi-purpose through fixing giving high loads in most solid or perforated base materials. No expansion force so imposes less stress on the base material during installation. The special Hi-Low twin thread with serrations gives smooth installation. THESE ARE A QUALITY BRANDED PRODUCT CE MARKED NOT TO BE CONFUSED WITH INFERIOR PRODUCTS DRILL BIT SIZE  6mm SCREWS COME IN BOXES OF 50 or 100 SCREW SIZES AVAILABLE 7.5 x 62mm x 100 7.5 x 72mm x 100 7.5 x 82mm x 100 7.5 x 92mm x 100 7.5 x 102mm x 100 7.5 x 112mm x 100 7.5 x 122mm x 50 7.5 x 132mm x 50 7.5 x 152mm x 50 7.5 x 182mm x 50 7.5 x 202mm x 50 7.5 x 212mm x 50