Croco B -fastener is used to fasten the two-ply roof covering or hard insulating sheet when fix-layer is steel, concrete or wood. Head diameter is 50 mm without studs. Used together with concrete nail or metalscrew. The lenght of the fastener is chosen according to insulation thickness and lenght of nail or screw.
Croco B -fastener comes in 18 different lengths from 20 to 400 mm.
Price for 100 pcs. 1 box - 500 pcs.